Your answer that fills in the blank is: Social Security.
For the first one The institution of slavery contradicted the foundation of the American society because till this day people of color are still being treated horrendously due to their ancestors and their teachings to the newer generation. Also it contradicted it because Americans had their amendments but it didn’t apply to slaves .
The British weapons were superior because they had more advanced technology than the Americans had been exposed too.
Union General Ulysses S. Grant<span> advances toward the </span>Mississippi<span> capital of Jackson during his bold and daring drive to take Vicksburg, the last Confederate stronghold on the Mississippi River.</span>
