Under the Articles of Confederation, Congress was unable to improve the economy because it did not have the power to tax the states. This meant it was practically impossible for the United States to repay its war debts.
Produced the steam engines which then improved systems of transportation. For example, trains were essential, but relied on burning coal. The steam engine made it more efficient. For the textile industry, the sewing machine was introduced to production lines, helping the processing and usage of cotton to be more efficient.
<span>Muslims conquered other areas in Africa and cut off Axum from its lucrative</span>
Areas like the Indus Valley Civilization (India), Egypt and China developed advanced civilizations first. Yes, geography played an important role. All of these civilizations had large rivers to support agriculture, Indus river in Indus Valley Civilization, Nile river in Egypt and Yellow river in China.
