Which statements accurately describe factors that led to the decline of the roman empire?

choose all answers that are correct.

a.
the empire split into a western and an eastern section.

b.
war, famine, and disease reduced the population.

c.
rulers refused to increase the size of the army.

d.
invading armies from greece overthrew the emperor in rome.

What impact did president grant’s executive order in 1876 have upon the cahuilla tribe? it forced them to disarm and surrender all money and firearms. it forced them to accept relocation to subpar lands in canada. it forced them to relocate to the cabazon reservation. it forced them to give up rights to water and other natural resources.

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a.seismic waves kill microoganisms b.seismic waves disrupts the sand and causes seafloor erosion c.seismic waves have virtually no adverse affects on marine life d.seismic waves damage the sonar that dolphins and whales use to orient themselves underwater

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