Answer:
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty, was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain.
Explanation:
Answer: D
Explanation:
mountains often have rough, uneven terrain, making it hard to build structures or farm.
BRAILIEST PLEASE
Answer:
A. Architecture was made possible for the first time in American civilizations
Explanation:
hope this helps
Because <span> The half-life of carbon-14 is around 5,700 years. So, by measuring the half-live of the sample, we could predict how old the sample actually is.
</span><span>After 50,000 years there is probably less than 1% of the original C-14 left which make it much more accurate to measure, so, the upward limit is put on 50,000 years.</span>
The Tennessee Valley Association, or TVA, was not created during the war years. It provided navigation, flood control, and economic development (among others) in the Tennessee Valley region which was heavily impacted by the Great Depression.
