Answer:
1) The North's cities flourished on a rising tide of immigration, and its newly opened territories were cultivated by growing numbers of family farms.
2) manufacturing in the North and of the Civil War are downright intriguing and just as complex as the conflict itself.
3) historians have begun to give Lincoln more credit as a war leader, pointing out that he was responsible for establishing Union policy and developing and implementing a strategy to achieve the goals of his policy. He skillfully managed his cabinet, generals, and even Congress.
4) the Union transformed the purpose of the struggle from restoring the Union to ending slavery. While Lincoln's Emancipation Proclamation actually succeeded in freeing few slaves, it made freedom for African Americans a cause of the Union.
5) the city's growth and the abolition of slavery. Abolitionists had been trying for decades to persuade Congress to abolish slavery in D.C., but Congress dominated by slaveholding interests would not move.
6) Lawmakers convinced poor whites that it was in their interests to keep African Americans disenfranchised and poor. Segregation was custom in the South after the Plessy v.
Explanation:
The answer should be A. to maintain low air pollution levels.
