Answer:
The causes of imperialism can be attributed to a ruler's self interest for the access of certain materials or land that can be beneficial to their country or empire. The justificiation of imperialism could be to improve the conditions of a impoverished country or to secure the access of materials that can be beneficial to those who use imperliams. The effects of imperliasm can be the division and destruction of native cultures, forced assimilation which leads to customs to be forgotten, and the looting of resources which can leave the native populations economically destroyed.
Explanation:
The primary effect of the Supreme Court case McCulloch v. Maryland was that the economic supremacy of the federal government was upheld, since it was deemed illegal for Maryland to impede the flow of currency over state borders.
Many journalists criticized Seward for his purchase of Alaska because they thought it was a waste of money due to the fact that it was so distant and seemingly uninhabitable, which is why it was called "Seward's folly".