What did europeans bring to the new world that caused the deaths of millions of native americans

The Europeans brought diseases to America. One of which being smallpox. This caused the death of many native Americans because their bodies were not immune to the foreign diseases nor did they have medicine to fight it off.

In the late fifteenth century, a major world power that established colonies in the era of old imperialism was france or germany or spain. their colonial activity was mainly limited to america or africa or asia.

The case was a u.s. supreme court decision that defined the scope of the u.s. congress's legislative power and how it relates to the powers of american state legislatures. the dispute in mcculloch involved the legality of the national bank and a tax that the state of maryland imposed on it.