What economic system did Americans what to conform

Which of the following was probably the most difficult challenge facing construction of the railroad?

What were some reasons the russian people grew to oppose world war i? check all that apply.millions had been killed.food and supplies were running out.the tsar had been overthrown.soldiers were forced to fight.industrialization was happening too quickly.

Which statements describe thomas jefferson? select the three correct answers . a.first secretary of state b.second president of the united states. c.considered a liberal. d.father of the democratic-republican party remember choose 3 that are correct! thx