Question

president carter worked to ease tensions with china by
○ establishing full diplomatic relations.
○ limiting international trade.
○ agreeing to help stop communism.
○ limiting us production of nuclear weapons.

Explanation:

President Carter normalized US - China relations by establishing full diplomatic relations in 1979, which eased tensions. Limiting international trade would likely heighten rather than ease tensions. Agreeing to help stop communism was not related to easing tensions with China. Limiting US nuclear - weapon production was more related to arms - control with the Soviet Union rather than relations with China.

Answer:

Establishing full diplomatic relations.