PLEASE HELP SS TEST Why were the Shia Muslims angry with the Sunni Muslims after the death of Muhammed?

After the death of Prophet Muhammed, Muslims had a disagreement. Sunnis believed that Muhammed's successor should be Abu Bakr and Omar, and the Shias believed that his successor should be Ali.

Explanation:

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.