Answer:
A. It is a unfying day for americans.
Explanation:
Makes the most sense.
It does not look like the same question... kind of confused
commas are necesarry when there is a sequence or list of numbers ex 2, 4, 6, 8, and so on but if it looked like this
2
4
6
8 in a vertical column, there is no need for them
Neil Armstrong walked on the ROCKY moon in 1969
