Why did troops fire on the protesters at tiananmen square?

the protesters were demanding scholarships for higher education.

the protesters were expecting student subsidies for food.

the protesters wanted the government to give them jobs in the west.

the protesters were calling for democratic reforms.

President nixon resigned from office in 1974 after he was informed that the senate would impeach him, as allowed in the constitution, for his actions in the watergate scandal. one of the key reasons that nixon’s actions became public was a) the freedom of press guaranteed by the first amendment. b) the right to confront witnesses as guaranteed by the sixth amendment. c) the limitation of judicial powers as defined in article 3 of the constitution. d) the prohibition against illegal search and seizure as guaranteed by the fourth amendment.