What is most likely reason the Chinese exclusion act was passed?

As the coach of the u.s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u.s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

Where did benjamin franklin travel to to seek aid for the colonists during the revolutionary war

Which scenario best illustrates the principle of popular sovereignty?