Why did some american revolutionary leaders believe a central government was necessary? answer plz

One of the great societal changes brought about by industrialization in europe was a. slavery. b. urbanization. c. ruralization. d. democracy.

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

Which of the following statements about the effects of subliminal stimuli is most accurate? subliminal stimuli have no effect on attitudes or behavior. subliminal stimuli can lead people to vote for political candidates they do not support. subliminal exposure to thirst-related words can lead thirsty people to drink more. subliminal stimuli can lead people to violate deeply held values.