That they were intelligent and knew that they needed tools. They could use bigger rocks.
By lowering trade barriers....I think. Sorry if it's wrong
The answer for apex is Freedom of speech
d. Verb tense error. It should be “decided” instead of “decided”
The 3/5 Compromise is also known as the federal ratio.
It established the ratio by which a slave would count as 3/5 of a free man for the purposes of establishing population, which was instrumental in setting the amount of house seats.