6. What were the first Native American civilizations, and where were they located?

The Clovis culture, the earliest definitively-dated Paleo-Indians in the Americas, appears around 11,500 RCBP (radiocarbon years Before Present), equivalent to 13,500 to 13,000 calendar years ago. The Clovis culture was named after flint spearheads found in the 1930s at a site in Clovis, New Mexico. Clovis sites have been identified throughout the contiguous United States, as well as in Mexico and Central America.

Acrylic paint became available in the market in the 1950s. The inventors of acrylic paint are  Leonard Bocour and Sam Golden. It was popularly used by artists in painting their work. 

Acrylic paint is well known for its versatility besides being a water-based paint.