1. Immigrants should learn to speak English when they become citizens.
Agree.
Ability to Speak English will benefit both immigrants and the locals. The immigrants will have much easier time finding high paying job and communicate with the locals to prevent potential conflict.
2. Immigrants are productive members of society.
Agree.
According to the statistic provided by the Government, Immigrants made up around 1/3 of productive workforces that exist in United States today.
3. United States of America is the greatest representation of cultural diversity on Earth.
Agree.
We can take a look at the rest of superpower as an example. Rjussia and China are very homogenous compared to the diversity that exist in United States. Even though there might be some problems in US, it is still the best representation of cultural diversity on Earth..
4. The United States is having an identity crisis.
Disagree.
Vast majority of the people in United States still agree that United States should be the land of freedom and opportunity. Vocal minority and polarizing political figure in media wouldn't change that fact.