Your answer is A, Alaska
The Senate approved the treaty of purchase on April 9; President Andrew Johnson signed the treaty on May 28, and Alaska was formally transferred to the United States on October 18, 1867. This purchase ended Russia’s presence in North America and ensured U.S. access to the Pacific northern rim.
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Answer:
Enslaved labor contributed to the foundation of wealth for the colonies because they had more helping hands on farms with cotton and other cash crops, and they had more people to put to work in factories and such.
Answer:
number two would be the right choice
Explanation yup