Negatives: Imperialism led the world into the business of slave trading which then led to social discrimination around the world. Damaging the cultures and the built-up disunity among the natives ( the people who were colonized ). Imperialism also had stripped multiple countries off their natural resources and left nothing for those who were colonized.
Positives: With imperialism, the technology was improved by a ton. There were new crops to be found, new tools and easier farming methods for people. This all increased food production in the days which these changes meant a lesser amount of death to smaller colonies and nations. ( Overall improving the state of living to say ) Living longer lives and having a better sanitation compared to without or the early days of imperialism
The answer is that it established the power of the federal government. It allowed state government to overule the federal government also established the power of state government. And decided the the federal government cannot tax states.
