No they didn't
True.
False. They were called muckrakers.
False.
The statement "two statements here are false" must be true. If that statement is true, then it means one of the other two statements ("one statement here is false" or "three statements here are false") must be false, making the total count of false statements two. If "three statements here are false" were true, it would contradict itself, as it cannot be true if it includes itself as a false statement.
It is not true that Colombia granted freedom to Panama in return for income from the canal. The United States paid Panama to lease the property and build the canal.
It is false. A mortgage is a secured loan. The house itself is the security.
true
True.
True. Every one is a sum of 0 and itself!
False
True
This is true