Answer:
In my opinion, I think
B. The Civil Rights Act Of 1965
The most dominant ethnic group in Russia are the Slavic people - a.
The Slavs represent the majority ethnic group of Russia and have been doing so for the past couple of centuries - this is also the reason why Russia has developed such good connections with other slavic nations.
The answer to this question is Longintudinal
Longintudinal research design is a tyoe of ressearch design that involved asking repetitive observations over same variables.
In a lot of cases, longintudinal research could take more than 10 years since the process is really long and repetitive.
It was important for the roman army to be able to move soldiers and all their baggage around the country