The period in europe when life was uncomplicated and quite hard was the:

-eighteenth century
-twentieth century
-middle ages

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

the puritans were a group of people who grew discontent in the church of england the common unity strengthened the community.