Who is the presiding officer of the Senate?

The vice president of the United States serves as president of the Senate and therefore its presiding officer. hope this helps in anyway!

Explanation:

Under the Constitution, the vice president serves as the president of the Senate and presides over the Senate's daily proceedings. In the absence of the vice president, the Senate's president pro tempore (and others designated by him/her/them) presides.

Explanation:

b) he seized power from the directory and appointed himself emperor

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cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.