Answer:
british trader started exchange opium for China
People who never develop symptoms or are not yet showing symptoms (pre-symptomatic) might not know that they are infected but can still spread rona to others. Masks also offer protection to the wearer.
Answer:Many Americans on the West Coast attributed declining wages and economic ills to Chinese workers. Although the Chinese composed only . 002 percent of the nation's population, Congress passed the exclusion act to placate worker demands and assuage prevalent concerns about maintaining white "racial purity."
Explanation:
Answer:
true
Explanation:
Buffalo soldiers were African American soldiers who mainly served on the Western frontier following the American Civil War. In 1866, six all-Black cavalry and infantry regiments were created after Congress passed the Army Organization Act.