Was scientific management successful for businesses?

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

The ideas contained in the declaration of independence was most influenced by a. absolute monarchy b. the federal system c. anti-authoritarianism d. the social contract theory

What is the result of americans’ tradition of joining interest groups? a decline in political parties a large number of interest groups of all sizes a few large interest groups a large number of equally funded interest groups