<h2>Answer:</h2><h2>Farmers who own modern equipment can perform 95% of repairs on their own. Frustrated with the problems associated with steam engines, John Froelich was convinced he could invent a better way. Even though the word tractor wasn't used in 1892, his gas-powered engine that drove backward and forward was exactly that.Aug 18, 2020</h2>
Answer:
A member of Congress introduces a bill into his or her legislative chamber. The president may sign the act of Congress into law, or he may veto it. Congress can then override the president's veto by a two-thirds vote of both the House and Senate thereby making the vetoed act a law.
Explanation:
A possible reason was the attacks on them by crusaders and mongols around the 11th and 12th centuries. Another reason could have been the Arab rulers removing taxes from non Muslims and doing other things that hurt there income.
Abu Bakr was elected after Muhammad's death
