Which of following is a goal assessment

In the base year in a small island macroeconomy, nominal gdp was $400m. in a later year when the general level of all prices was twice as high, nominal gdp reached $1000m. between the base year and the later year: ( there can be multiple answers) -real gdp declined -there was real gdp growth by more than 100% - inflation occurred - there was real gdp growth but by less than 100%

Analyze and evaluate the motivation and the rationale behind western expansion through the louisiana purchase that took hold in the united states at the start of the 19th century (long essay question)

Select the correct answer. what was edwin hubble's contribution to the field of astronomy? a. he discovered variable stars. b. he proved that the heliocentric model accurately described our solar system. c. he found a relationship between the period luminosity and distance of stars. d. he proved that the universe is finite. e. he discovered that the universe was expanding.