Answer:
They served as land guides, pilots and spies for the U
nion army during the 1862 Peninsular Campaign
The Bronze Age is a time period that shows the ability of ancient cultures to create weapons and artifacts made from copper and bronze. This time period falls in between the Stone Age and the Iron Age. Its significance relies in its advancements it provided for civilization.
Clovis technological complex - Distinctive spear points
Neanderthals extinct in Europe - Bones stop appearing in the archaelogical record
Earliest modern humans emerge - Their skulls found at Herto, Ethiopia
Homo sapiens cross into Asia - Tools found at Jwalapuran, India
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)
