Salat is regarded as the second among the Five Pillars of Islam. The Salat simply means that every Muslims should worship five times daily. This applies to those that have reached puberty.
They can do this anywhere provided that such place is clean. It should be noted that Salat prayers are typically led by the Imam. Therefore, the correct option is D.
It's a because during the middle ages kingdoms conquer other nations by the numbers as soon as the child has education he (I say he because they didn't allow women to have education back then) he will enlist into one of the European nations and fight.
I would say simply the geography but they could also see where they founded their civilization. They could learn about how the romans viewed themselves and the outside world.
the 9th amendment explains that the federal government doesn't own the rights that are not listed in the Constitution, but instead, they belong to citizens