Answer:
Nirvana is the ultimate spiritual goal in Buddhism and marks the soteriological release from rebirths in saṃsāra. Nirvana is part of the Third Truth on "cessation of dukkha" in the Four Noble Truths, and the summum bonum destination of the Noble Eightfold Path...
Ulysses S. Grant is the right one.
I think it is false because Denali is the tallest mountain in the U.S.
The answer would be: “Free African American(s) were allowed to enlist in the Union army and Navy.
If they wanted to fight against the confederacy and the slavery supporters then they were allowed to because the Emancipation Proclamation allowed them to join the Union army.
Hope this helps. :)
The process is photosynthesis