What does corroborating sources allow a political scientist to do?

a. show where the information he or she is using comes from
b. determine whether an assertion made by one source is likely to be true
c. confirm his or her own biases
d. identify a research question to pursue

According to nationalists, a nation-states government should be a. controlled by european monarchs b. led by an appointment president c. voted on by european parliaments d. chosen by that nation-state

Select the five weaknesses of the articles of confederation. congress could not declare war or establish an army. congress could not levy taxes. congress could not control trade. not all the states were represented in congress. no national court system. no executive to enforce the laws. congress could not negotiate with foreign governments. the national government could not borrow money. nine of the states had to agree to pass a law.

What is the main idea of this excerpt