Three ways the railroad helped create modern America are: it made travel easier, stimulated commerce in the economy and increased trade.
Emilio Aguinaldo was the Filipino nationalist who rebelled against the U.S. and Spain.<span />
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 first American spacecraft was the Viking Landers