How many US senators are there? 50 75 100 125

There are 100 US senators.

Explanation:

Each state, regardless of population or size, has two senators. So if there 50 states times 2 equal 100 senators.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

the correct answers are 1, 2 5, 6