The poor bastard Liberians who were already there got well and truly fucked over and enslaved by the black Americans who moved there, and were denied the right to call themselves citizens of the country they were born in.
No fucking way are they going to fall for that bullshit again. American niggers are cancer and Liberia is starting to sort it's shit out, no way on Earth will they fuck that up to take the pile of shit the USA has refused to manage and deal with for decades.
best way to solve this is to make the USA deal with it, properly and concretely and definitively, and face up to the issue. If a dog shits on your doorstep, only the worst kind of person hides that steaming turd on their neighbours stoop.