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.
Answer:
The colonists started a boycott or not buying the British goods. This event was called the Boston Tea Party
I think it's D. Hindu- Arabic Numerals