One contribution of ancient roman culture
was the development of -
a the process for making silk.
b the printing press.
c the concept of zero.
(d a republican form of government.

What ways did native americans influence the lives of european settlers in early america ?

Why did students gather in tiananmen square on june 4, 1989? on june 4, 1989, students gathered in tiananmen square to mourn the death of the pro-reform leader

What reason did yurovsky give nicholas ii for his pending execution? the czar’s relatives were about to rescue the romanovs. nicholas had committed crimes against the russians. nicholas had misused his power to abuse his own people. nicholas had not lived up to his duties as czar of russia. the answers are not b and c, i already tried those.