The Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.
A C D B A D C B are the answers
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Howe enjoyed the comforts of Philadelphia
The Silk Road trade allowed for diffusion of technologies to go throughout Eurasia. For instance, silk-making technology from China was able to diffuse and reach areas in Europe. Another example would be the religion of Buddhism. Buddhism originated in India and made its way to China along the Roads, and changed a bit along the way.