What 2 answer choices below led to the Articles of Confederation being replaced after being used for only 8 years?
A The Articles did not provide for a president, which resulted in the government lacking leadership.
B The Articles established a procedure for settling western areas and adding new states to the Union.
C The Articles united the states' resources and military power. The states were able to protect themselves against external threats.
D Congress could not levy taxes, so they could only get money to pay war efforts by asking states to choose to contribute.