Answer:
It depends on what you have been taught, but I would personally say negative because of the diseases that destroyed Native Americans and the rise of slavery.
On the flip side, if you're thinking of positive, it did help exchange new ideas and goods (the Columbian Exchange) between the worlds. It also allowed a safe haven for those persecuted (like the Protestants) and allowed countries to dump their inmates onto the new land.
War finance, fiscal and monetary methods that are used in meeting the costs of war, including taxation, compulsory loans, voluntary domestic loans, foreign loans, and the creation of money.
Congress had passed the Civil Rights Act (1964) and the Voting Rights Act (1965) Southern states could no longer deprive African Americans of their equal rights
He brought them a treaty, The Meiji restoration happened and because of that the Tokugawa Shogunate ended. And modernization of japan started to begin.