If you visit the senate chamber during a session on an average day, you're most likely to find the session presided over by

a. the vice president of the united states.
b. a president pro tem.
c. the majority leader.
d. a speaker for the house.

The vice president of the United States serves as president of the Senate, usually presiding its sessions.

Explanation:

In the absence of the Vice-president of the United States, a president pro tempore is designated.

Usually, the president pro tempore is the most senior member of the majority party, who can either preside the session, or designate a member of the majority party to do so.

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.