The explanatory power of a scientific theory is most closely linked to its capacity to generate testable: a. variables
b. inferences
c. assumptions
d. correlations
e. hypotheses

Which statement best represents an economic weakness of the national government under the articles of confederation? a. the national government was unable to collect taxes. b. national and state taxes combined were too high for most services to pay. c. congress set different tax rates for each state, leading to conflict. d. state refused to collect taxes on behalf of the national government