Yes, it is true that historians believe that the time from prehistory to the development of agriculture spans more than two million years, since it is thought that humans first appeared on Earth roughly six millions years ago.
The northerners greatly disagreed with the act. The Fugitive Slave Act meant that if a slave ever escaped, he/she could be caught and returned to his/her owner. The northerners were primarily abolitionists, so they strongly disagreed with the Fugitive Slave Act.
Answer:
The primary factors for migration among southern African Americans were segregation, an increase in the spread of racist ideology, widespread lynching (nearly 3,500 African Americans were lynched between 1882 and 1968), and lack of social and economic opportunities in the South.
Explanation:
