I think it is the last one, because revolutions are connected with the need for better treatment and living conditions.
Answer:
It made it hard for trade and communication with other civilizations, but Chinese civilizations grew along the rivers, whose fertile soil made farming easier. In which river valley did China's civilization begin? What made China's river valleys ideal for farming?
Explanation:
Answer: Push factors encourage people to leave their points of origin and settle elsewhere, while pull factors attract migrants to new areas. For example, high unemployment is a common push factor, while an abundance of jobs is an effective pull factor.
Explanation:
<span>A. built irrigation canals to water crops in arid land
(INCORRECT)
</span><span>B. built a major city with stone pyramids at Tikal on the Yucatan Peninsula
(CORRECT)
</span><span>C. wrote epic poems and drama
(INCORRECT)
</span><span>D. understood the idea of zero as a number
(CORRECT)
Brainliest please <3</span>
Are you referring to WWI or WWII? For WWI, it was due to a complex system of alliances and a push from elected officials at home to get involved. If you're talking about WWII, it was because the Japanese bombed Pearl Harbor.
