Robert Gray explored the mouth of the Columbia River
Jackson became the first President whose home state was neither Massachusetts nor Virginia, while Adams was the second to lose re-election, following his father, John Adams.
Answer:
social darwinism has been used to justify imperialism ,racism , eugenics and social inequality at various times over the past century and a half
Answer:
I think its D the land runs
Explanation:
Acording to okhistory, "When the Land Run of 1889 opened yet more "free" land to non-Indian settlement, African Americans from the Old South rushed to newly created Oklahoma"(okhistory). African American were not seeing any changes in their lifes after the fail of reconstruction so when they saw more land open,they took their chance. I hoped I helped.