Which region has contributed the most to immigration to the united states in the 21st century?

Me and youin the summer of 1804, after meeting native americans for the first time, lewis and clark reached the eastern edge of

The british commonwealth is: a. the national treasury. b. the british social services system. c. an alliance of former british colonies. d. a shared land for grazing sheep in britain.

Which is one of the defining characteristic of the modern era