What did the declassified documents reveal?

On today's Declassified, we examine a Central Intelligence Agency working paper from nineteen-fifty-five: A Survey of Sino-Soviet Relations, nineteen-forty-five to nineteen-fifty-five. This document offers an internal C-I-A analysis of the relationship between the Soviet Union and China during a critical decade. This record was obtained via a declassification review in two-thousand-eight, as part of a larger collection of C-I-A intelligence on China. It is accessible to the public through the Black Vault archive at documents two.the black vault.com. This study is a working paper prepared by the Soviet Staff, O-C-I, for internal dissemination only. It represents an effort to identify and assess the character of major trends in Sino-Soviet relations since the end of World War Two. It is designed solely to assist Soviet Staff analysts in developing a common appreciation of the background against which to view current developments in this vital relationship between the U-S-S-R and China. State Department review completed. A Survey of Sino-Soviet Relations, nineteen-forty-five to nineteen-fifty-five. Introduction: During the past two years, Moscow and Peiping appear to have arrived at a working relationship which has been evolving since the establishment of the Chinese People's Republic in nineteen-forty-nine. This relationship has been characterized by Soviet grants to Peiping of economic assistance on a modest level, but including high priority items, general Soviet avoidance of direct involvement in potentially explosive situations in the Far East, and a willingness on the part of the Soviet leaders to champion China's claim to great power status in international affairs. This relationship reflects the practical interests presently shared by the U-S-S-R and China — that is, Peiping is dependent on the Soviet Union for the essentials of economic and military assistance necessary to build up its position as an Asian great power, while Moscow relies on China as the center of Communist power in the Far East serving to counter Western-oriented power and to provide uncommitted Asians with an impressive example of Communist governmental and military achievement. One: Policy Toward Yenan, nineteen-forty-five to nineteen-forty-eight. With the defeat of Japan and the immediate resumption of hostilities between the Kuomintang and the Chinese Communists, Moscow was confronted with the necessity of working out a stand on the status of Mao and his party. The Chinese Communists were attacking the U-S-S-R’s treaty partner which Stalin had pledged at Yalta to recognize and aid. The timing of the Yenan group's successes could hardly have been apparent in nineteen-forty-five, and Stalin and Molotov were content to follow a wait-and-see policy and pay lip service to Yalta pledges of support for Chiang and a unified democratic China. Dismantling in Manchuria: One of the earliest examples of Moscow's postwar errors in its policy toward Yenan was the wholesale Soviet…

Why was this case declassified?

This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked on this page so the citation chain is auditable.

Case File · ARCHIVE-386Declassified

Filed SEP 24 · 2026Runtime 1 min

On Today's Declassified, We Examine A Central Intelligence Agency Working Paper

U.S. public record · FOIAUpdated September 24, 2026

cold-war

◆ BLUF — The short version

On today's Declassified, we examine a Central Intelligence Agency working paper from nineteen-fifty-five: A Survey of Sino-Soviet Relations, nineteen-forty-five to nineteen-fifty-five. This document offers an internal C-I-A analysis of the relationship between the Soviet Union and China during a critical decade.

Date: SEP 24 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was On Today's Declassified, We Examine A Central Intelligence Agency Working Paper about?: On today's Declassified, we examine a Central Intelligence Agency working paper from nineteen-fifty-five: A Survey of Sino-Soviet Relations, nineteen-forty-five to nineteen-fifty-five. This document offers an internal C-I-A analysis of the relationship between the Soviet Union and China during a critical decade.
Why was this case declassified?: This material entered the public record through the U.S. declassification and Freedom of Information Act (FOIA) process. Storyflo narrates it directly from the public release.

cold-war

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