Although some 700,000 were given certificates of disability or disease, only 79,000 of them were barred ". As you can see America used to be very open to letting. Over the years, though that warm, welcoming changed into a subtle "we don’t want you". After the first wave of immigrants came and settle the second wave came in but instead of more Europeans our "Hispanic brothermen" from the south came. Except America wasn’t as welcoming this time around they felt threatened and uneasy. For why though what reason could Americans' be threatened by immigrants in their own country. Maybe because " Thus we-we who are already here first-we begin to question our own identity" basically saying them being here will make them start to question who they are. So, in order to stop them from taking over they tried to make them feel unwelcome by categorizing them in one race, segregating them and many more things to make someone feel unwanted. So comparing the first and second wave of immigrants, Americans were a lot more harsh the second time