I think the answer is C because slavery started to slow in other places.
B. Cannons… in March 1453 Urban’s cannon had been transported to Edirne to the outskirts of Constantinople
The reason it is impractical is they traders had to go around South America... For example, say New York is sending trade ships to San Francisco. They would go all the way down to the bottom of South America and then all they way back up. By creating the panama canal, it allowed ships to cut through the land and make the route more practical.
5 causes that set off the Salem witch trials are:
1. Boredom
2. Strong Belief in the Occult3. Disputes, Rivalries, and Personal Differences
4. Cold Weather Theory
5. Ergot Poisoning
2- he was apposed to the bill because it supported slavery