What was the trend in immigration and birth region between 1900 and 1990?

In 2016, general electric, along with its appliance division, contributed $4,699,964 to congressional members and spent $7,025,000 on lobbying, some towards the patent act, which amends federal patent law to add pleading and disclosure requirements for patent infringement actions. after reading the scenario, respond to a, b, and c below: a. describe one political behavior illustrated in this scenario. b.in the context of the scenario, explain how the political behavior described in part a can be affected by its interaction with congress. c. in the context of the scenario, explain how the interaction between congress and the bureaucracy can be affected by linkage institutions.

How did slavery end in the united statesa. it ended with the emancipation proclamationb. it ended when the union won the civil warc. it ended with the fifteenth amendmentd. it ended with the 13th amendment

What kind of contact did christopher columbus and native americans initially have?