Why did many Democrats oppose the idea of "trickle down" economics in the 1980's, part of the President Reagan's fiscal policies collectively known as Reaganomics? They feared that middle-class tax breaks would harm the economy.
They believed that the government funding should be spent mostly on national defense.
They worried tax breaks for the wealthiest Americans would come at the expense of the poor.
They agreed the government should have little regulation over the economy.