Pls help i will mark you the brainlest Why did European nations form alliances in the late nineteenth and early twentieth centuries?

Question 28 options:

to build large empires

to keep peace on the continent

to increase their wealth

to start wars

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