European countries use trade to gain wealth
The stronger countries in Europe in the 1400s and 1500s - England, Spain, France and Portugal.
I believe it's B. Economics policies. During his presidency, he put forth a lot of economic policies.
i think it was stalin but im not sure
Pi Day is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant digits of π. In 2009, the United States House of Representatives supported the designation of Pi Day.