These are the answers for the following questions.
1. The argument about the nineteenth century immigration that the chinese exclusion act support is that Chinese immigrants undermine the livelihood of American workers by driving down wages and taking away jobs.
2. A historian might interpret the Chinese exclusion act within the historical context of nineteenth century immigration policy the history of race and ethnicity and the history american labor is that it is too harsh for the Chinese to have this kind of act. It is something that is not good among nations and not a healthy relationship.