In colonial America, Africans "contributed" to society by being a source of income for people who bought and sold them into slavery. They also contributed by being laborers in the southern plantations.
Women contributed to the society by being a house wives --meaning they took care of the house-- as well as cooking meals for the family and taking care of the children.
Native Americans, in the earlier days, contributed by trading with settlers and teaching them how to do things in their environment.
(Sorry I really don't know what the children did)
C.Thomas Jefferson
He was the author and founding father
The old water pipe at La Playa, Mexico is an example. it was man-made by more than the farmers in more than 4,500 years. It doesn’t only have an impact on the environment but also to the people.
Answer:
When the cold war happened the domino theory came true;indochina became communist which proved the domino theory.Proxy wars are interventions in which a foreign state supports another place indirectly with a lot less support than direct intervention.There were many proxy wars that happened during the cold war for example when the USA supports a cold war based proxy war were the russian were attacking democratic based afghanistan and the afghanistans were getting support of democrats. The russians killed the president and put a russian loyal person in the afghanistan government.