yes
Correct. National government and federal government can be used interchangeably, representing the three branches of the United States government.
No, the correct statement is: That is mine.
Yes
The correct spelling of the adjective is "federal" (of a federation, applied to a central or national government).
The correct answer is LAW.
Yes, it is correct to say "you are correct." It acknowledges that the other person's statement or opinion is accurate.
No, the correct statement is "Are you going to school?" using the verb "are" instead of "is."
National governments were one of the first forms of government ever invented
Are your children coming home? is grammatically correct.
A statement that is factually correct and does not mislead.
That is correct.
No. It could be: There was no complaint from the area. Or: There were no complainsts from the area.