Vice president
Yes. The U.S senate president pro can temporarily break senate ties when the U.S vice presidency is vacant.
The President of the Senate (VP of US) votes to break ties.
The Vice President
The Vice-President of the United States is the President of the Senate. When he is present, he presides over the Senate (similar to running a meeting) but he does not participate in Senate debates. He votes only if it is necessary to break a deadlock in a Senate vote.
the presedent dose.
The government or the union
If the senate ties (it doesn't have to be 50-50), then the Vice President of the US votes to break the tie. It's the only case in which the VP is allowed to vote in the Senate.
the U. S. Vice President, who is also President of the Senate
The U.S. vice president serves as president of the Senate. He takes no part in Senate debates but can vote to break ties.
The Preamble
constitutionaly strickly to settle ties in congress between the house and the senate
The President of the Senate (Vice President of the United States) is given that authority in the US Constitution.