Answer:
he decade had its problems. It began with the financial Panic of 1873. Railroads were growing so fast that nearly 6,000 miles were being laid down every year (17,000 miles between 1871 and 1873). With so much new construction, lending was strained and overextended.
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The factors which lead to the rise of feudalism was the fact that people couldn't protect themselves and needed land where they could be safe considering the fact that a single peasant didn't have enough capabilities to defend himself. This lead to the fact that these peasants had to give food and goods to their lord with his army.
It’s B, The exodus of African-Americans from the rural south to the Urban north
Answer:
The "green revolution" is not developed enough for the US and many other countries to support it.
Explanation:
Asides from energy storage, certain countries can exploit the natural resources in order to improve their economic output. Think of it this way: if you are a developing country, coal mines/power plants can create thousands of jobs as opposed to solar panels, which require specialized labor. In countries like the US, lobbying and political interests have actually slowed down the progress for green transitions. However, we will get there.
Also note that we are not bring coal at the same rate we were a couple uears back. More efficient cars and methods of manufacturing have decreased the overall pollution.
The new Muslim states became centers of Islamic learning and reform.
