The correct answer to the question above would be domesticating animal and agriculture. The first great leap for humans was domesticating animals and agriculture. Humans domesticated animals for food and clothes. It made the human beings more of a community that is full of culture.
"Austria-Hungary<span> declared war on </span>Serbia<span> after serbian nationalists assassinated Archduke Franz Ferdinand and his wife, this was not necessary as only a few serbians participated and these assassinations usually did not result in war" (prezi.com)</span>
The purpose of passing the Neutrality Act of 1935 was because once the act was invoked, the US was in a better position to find a diplomatic solution to a conflict.
Most of the scots irish who came to the colonies were farm laborers or tenant farmers who were leaving behind droughts and crop failures