Answer:
The navajo celebrates a baby's first laugh.
March 17, 1861.............
They bought Republican ideas to southern politics.
Answer:
John Adams is the second U.S president.
Pharaohs, cuneiform and barter were most likely found in the age of 3500 BCE to 3000 BCE. Cuneiform was used by the Sumerians in that time period and the rulers of Egypt were also found in that time period as well. As for barter as a form of economy, that can be found in that time period as well and even much earlier, as it predates the use of coins.
