It a foreign women travels to the United States and gives birth to the child before leaving, the child is an American citizen, and the mother automatically becomes a citizen as well
the kid would be but the mother would not become an american citizen just for having a kid in the US, she would have to go through the naturalization process. Only the kid would become and american citizen
the child would be because it was born on American grounds but the mother wouldn't because she was not born on American land and she has not lived in the U.S. for at least 5 years
