Answer:
all are unacceptable besides 4. 4 is acceptable
Explanation:
this is honestly just my opinion from a high-school point of view
A decrease in biodiversity
Answer:
The appointment of Lincoln filled in as the essential impetus of the American Civil War. By 1860, the Republican Party hosted supplanted the ancient Whig Gathering as the significant restriction to the Democrats.
Oh yes. that's what I mean