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The cotton gin changed the agriculture of the South.
Brady
Immigration mostly slowed down because English economy improved as well as religious tolerance. People didn't have to run away from their homes to seek a better tomorrow.
Answer:
Generally, the parties either nominate slates of potential electors at their State party conventions or they chose them by a vote of the party's central committee. When the voters in each State cast votes for the Presidential candidate of their choice they are voting to select their State's electors.
Explanation: