The supporters of which two leaders formed the first two political parties

Supporters of Thomas Jefferson and Alexander Hamilton.

Explanation:

The first parties were created at the beginning of 19th Century. Basically, the main difference is that Jefferson supporters were anti-federalist, while Hamilton's supporters were federalists. Because of that Jefferson was usually supported by landowners, while Hamilton had the support of the industrialist.

answer; (i-o) psychologist

answer; i believe the correct answer is prefrontal cortex;