Reduce, reuse, recycle is a good example of which kind of social movement?

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.

What trade did europeans want most before the 1800s ivory wood slaves gold

One result of recent migration trends is that the workforce in europe has become