Number #3 is Ulysses S. Grant for sure
CO would be Carbon Monoxide
Two things that increased american interchanges in the late 1800s were "b. the telegraph and telephone," since both of these creations significantly accelerated correspondence and made it more productive.
A)the quantities of gold and silver brought back to Italian explorers
<span>b)concentration of riches in the hands of the king and his court </span>
<span>c)their participation in trade between Europe and the East </span>
<span>d)the location of the Vatican in Italy</span>
C.a too small legislature