What happened to total world production of crude oil between
1960 and 1990?

What is not related to the money supply during the gilded age

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.

Was the first african american to be appointed to the u.s. supreme court.