What happened to now, when I'm sending a question or answer which is relevant one. it's showing that your question or answer has forbidden language.
I can't even send a question. Can anyone will tell me. what happened it.

Nah i’m goody that’s a good question tho

Iam pretty sure it is answer c. meep i hope you have a great day ^^

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years