ALL out I'm giving all my points to who ever can answer this questions btw the one question (the long sentence one were you have to put the word in it is used for the last one)

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