The Uniparty wants them to be the 51st state.
Part of it is the fact that they are Spanish-speaking as they try to import more Spanish-speaking people into our country to make us a bilingual nation.
That's an idea whose time will never come. Look how well it worked out for Canada. Twice as many $ spent to say 1/2 as much in any public space and a very prickly relationship between Canadians of French & English heritage.
One of the things in my wishlist is for President Trump to formally declare English as the language of the USA and stop the requirements for court translators, hospital translators, documents from the DMV & other G'vt agencies in 26 languages and English as a second language in schools.