What is the formal role of congress in adameding the construction

To propose and pass amendments

Explanation:

It proposes and passes amendments

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts