When are two experimental outcomes mutually exclusive?

In the 1800s, most european powers followed policies of in which they imposed political and economic control of peoples around the world. a. imperialism b. expansionism c. mercantilism d. isolationism

Which two statements regarding graduated driver licensing are true? select all the correct answers. gdl new drivers gain skills under low-risk conditions. gdl new drivers gain skills under high-risk conditions. gdl laws are the same across states. gdl laws vary across states. gdl does not need parental supervision and coaching.

What was one step that charlemagne took to unite his kingdom? a. he chose a single strong heir to inherit his throne. b. he drove muslim forces out of europe. c. he created and supported schools. d. he declared himself head of the catholic church.