Answer:
He was the pioneer for surgical face masks
They had to divide up the labor and do other tasks
Answer:
Nationalism helped unite citizens within a certain group(such as common culture or history). However, it can also cause intense competition between nations. Many ethnic groups part of the Ottoman empire wanted to become independent and were successful going about these ways, which divided them.
Residents of Washington D.C.
If that's one of the answer choices
Answer:
Be cause it blast yesterday
Explanation:
