A Senator's term of office is six years and approximately one-third of the total membership of the Senate is elected every two years.
The correct answer is - pull factors.
The increased freedom and much more employment opportunities in the United States can be considered as pull factors. They can be considered as pull factors because they are big reasons why people from all around the world got attracted to the idea of migrating to the United States, as they saw a nice chance to prosper and have a better life. Most of the countries were still struggling with the freedom issues, and the employment opportunities were either very limited, or badly payed, so no wonder that pople wanted to move in the United States.
True, it actually is higher.
Answer:
"After being introduced, the bill is sent to the Senate Parliamentarian who assigns it to a specific committee or committees for further deliberation. ... When a bill is introduced, the Senate Parliamentarian is responsible for deciding which Committee should review the legislation." *
carper.senate.gov
(First answer is all I found. Hope this helps!)