The correct answer is A) Ethnicity. Hope this helps.
B. Confederate states refused to send troops to the US army.
Answer:
For one it could be seen as undemocratic, For example if a candidate loses the popular vote, the electoral college could still let that candidate in even if they lose the popular election. It also has a winner-takes-all approach which cancels the votes of the losing candidates in each state.
Explanation:
