researchers report data from a study where they hired confederates to attend speed dating events, posing as daters, and carefully take notes on the behaviors of the daters. what type of research design did they use?

France played a key role in the american revolutionary war (american war of independence; 1775–1783). motivated by the ideals of the new nation which were inspired by the french enlightenment, as well as its long-term rivalry with britain and so as to avenge their territorial losses during the french and indian war, france secretly began sending supplies to the americans in 1775.

There is lots of evidence