The answer is b bc it shows the person answer
<span>The Articles of Confederation were written documentation that laid out the purpose of the new national government of the US once it was independent from Great Britain an in control of itself. In essence, these articles were the Constitution prior to it's existence.</span>
Congress had decided that once a slave traveled into a free state, they were free and they could never be enslaved again. But in the Dred Scott decision, they changed their mind and people no longer had to honor "once free, always free."
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The meeting of Lee and Grant for surrender of the Confederacy
The expansion of imperialists was assisted by missionaries that were sent ahead of colonizers to spread Christianity, the religion of the Empire. In doing so, they also spread Western ideals and the English language. The path made by religious scouts made imperialism, easier.