One big barrier is economic background. Many students from immigrant parents often can’t afford college or have to work instead of going to school. Another difference can be the language barriers given that it’s harder to learn English than it is most languages because it doesn’t stick to grammar rules as much as others do.
The answer to the first question is "A, Petition of Right"
The answer to the second question is "B, The Stuarts"
It would be the fall of the roman empire. hope it helps