13th amendment abolished slavery in the US. This was important from the point of view of human rights, and it also made clear that a conflict over slavery, such as the one between the South and North, would not happen again.
<u>Answer</u>:
There were few reasons why North America didn’t develop any major civilizations similar to the mayans.
<u>Explanation</u>:
It is usually said that weather around Arid-America was rough. So, it was difficult to cultivate crops without use of modern machinery. There were lesser number of water bodies. So, keeping large number of people was difficult.
Present day US did have advanced type of civilization, but it did not get close to the mark of Aztecs or Mayans. North America had large cities, advanced societies and culture that were rivals of the Incas, Mayas and Aztecs. But they were less in numbers so were unidentified.
First one is sanitary and fourth one is hygiene, i didnt study this topic and dont know the rest sorry
<span>The cause of the Intolerable Acts was King George was furious about the Boston Tea Party and closed the harbor and took away their self government until all the tea was paid for. The effect was these acts just stirred up more british hating feelings. Now people in all 13 colonies were angry</span>