Select the correct answer from the drop-down menu. The polltaking method called
was invented by George Gallup. It relies on selecting a diverse group of people that reflect the demographics of the nation’s population.
A. phone polling
B. sample size
C. quota sampling

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

How does "marian anderson sings" differ from the informational text in organization?

In what ways did the byzantines influence the developmental russian society?