They are in the era of the 1800's.
In June 1930, Smoot-Hawley raised already high U.S. tariffs on foreign agricultural imports. The purpose was to support U.S. farmers who had been ravaged by the Depression. Instead, it raised food prices. It also compelled other countries to retaliate with their own tariffs. (Hopefully that helps)!
Karl Marx wrote Das Kapital and co-authored The Communist Manifesto
social: the spanish had the monarchy government. this affected because they got to the americas and stablished a king's representant changing the lifestyle of the people that was there before them and also the natives were treated like slaves and a minor race.
Religious: the Spanish practiced catholicism in that time also stablishing it as the only religion you could practice, changing native's lifestyle.
that is all with i can help with :D
nice day!