Answer: President Johnson died of a heart attack on January 22, 1973. He was 64 years old.
Explanation:
C: disease would kill ideas before they even spread
The original thirteen colonies flourished and developed into what became the fifty US states, thanks to ample resources and opportunities. This country's political geography was the consequence of many treaties and conquests that resulted in the country reaching from the Atlantic to the Pacific Ocean.
1) Fear of foreign disease
2)
