Which of the following events could cause aggregate supply curve as 0 to shift to as 1 ?

a

.

a tax cut c

.

an increase in the price for foreign oil

b

.

a rise in interest rates d

.

a decrease in the price level

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.

In 1517, the spanish friar bartolomé de las casas, disturbed by the suffering which spanish conquistadores had wrought on the native populations of america, became an important advocate of

How do you think american life would change greatly, as soldiers went to war in europe?