Impeaching a president is a really big deal that has huge consequences for the nation. So the framers wanted to make sure that impeaching the president could only be done when there was an overwhelmingly convincing reason to do so. Your best answer is the last one: the framers wanted to ensure that presidents were not removed from office unfairly.
I'm not quite sure how to answer this question because it is worded horribly
US land was not rich in much of anything, so it was important to get food and clothing from somewhere.
Converting their religion to christianity
