Answer:
In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.
Answer:
A. Birth rate.
Explanation:
The bir th rate refers to the ratio of the number of live -born bir ths per year. In other words, it is the number of people or animals, or living beings born per year.
To measure the number of children born in a country, the best rate measure will be the bir th rate. This will provide the number(s) of babies born in that particular place in a year.
Thus, the correct answer is option A.
Answer:
The discovery of the Spindletop geyser in 1901 drove huge growth in the oil industry. Within a year, more than 1,500 oil companies had been chartered, and oil became the dominant fuel of the 20th century and an integral part of the American economy.
Explanation:
