It is C because the men were out to fight the war and in that time only men could have jobs, so when the men left the women had to take over and their role was so important because they were making everything all the soldiers needed like food and ammunition.
Muhammad was a political leader because he was a leader of the state, and he was a religious leader because he was a prophet of the lord according to Islamic beliefs. He received numerous instructions from god through the angel Gabriel, known in Islam as Jibril, and based on these rules and guidelines the Quran was created. People who were Muslims before Muhammad also accepted that it was a religion based on having prophets of the lord such as Abraham, Noah, Jesus, and others, but the stories slightly differed, with Muhammad being the final prophet that this world has seen.
If you are talking about them trying to expand in to present-day Canada, then it brought renewed conflict with Britain (war of 1812)
if it is towards the west, i guess it hampered technological development, because most people were moving west through the trails, instead of staying to help build up the economy
hope this helps