Northerners opposed the act because they thought it was a plot to turn this land into slave states.
They did not want the states to have all the power
The English, Dutch and French forces saw that the Caribbean islands where valuable and those European powers started to fight for it, when the English started to prevail Spain was forced to retreat and the consequences where that Spain lost one of its valuable land but also it lost soldiers during the fights it had with the other powers.
We first domesticated farm animals, sheep and goats were among the first domesticated roughly 11,000 years ago.
Cats became pets around 7000 B.C. with the advent of agriculture.
No one can pinpoint exactly when humans first started keeping dogs as pets, but estimates range from roughly 13,000 to 30,000 years ago.
A team of archaeologists recently presented new evidence that horses were domesticated in 3500 B.C.—about a thousand years earlier than previous estimates
The Indian Removal Act was signed by Andrew Jackson and it was a law that was supposed to call for the "voluntary" removal of Indians from their land. The United States wanted to expand and use their land, and ended up forcefully removing them and resulted in the removal of most Indians from the states altogether. Hope this helps! :)