How did the domino theory influence the United States' role in the Vietnam War?

What is the formal role of congress on amending the constitution

The southern colonies practiced indentured servitude and slavery because cash crops such as tobacco and sugar required many workers. the fishing and shipping industries required many workers. imprisoned debtors were brought from africa to settle the colonies. indentured servitude and slavery were not allowed in the caribbean colonies.

What is the connection between alexander and greek words in the words in the kalish language today