The central government under the articles of confederation lacked:
a. an executive branch only
c. a legislative branch only
b. a judicial branch only
d. an executive and a judicial branch

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explanation:

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.