What are two reasons the united states cut all trade ties with castro’s cuba in 1961?
castro shared good relations with us cold war rival, the soviet union.
castro declared that he would assassinate us president dwight eisenhower and destroy the us government.
castro brought us-owned industries under government’s control.
castro started manufacturing hydrogen bombs with the of communist china.
castro blocked all trade routes between cuba and united states.

The correct answers are:

- Castro shared good relations with US Cold War rival, the Soviet Union;

Once Castro became the leader of Cuba, he rushed to make good relations with the Soviet Union. The Soviet Union saw a great opportunity to use this and made a military basis on the Caribbean island, holding the United States in constant fear of attack.

- Castro declared that he would assassinate US president Dwight Eisenhower and destroy the US government;

After multiple attempts of assassination of Castro by the US government, he got revolted, understandably, and threatened that he would assassinate their president and destroy the country.

d) a constitutional amendment