Mexico needs to be attacked for their decades-long invasion of the USA.
Based on this article, she received her education at Cal Berkeley, which means she’s received a Marxist education and is likely a true believer.
Hopefully, she’s not stupid enough to invite a foreign enemy like Russia or China to maybe build a port in Mexico or some other way invite them in a formal basis, worse yet, she could invite in Iran or give safe haven to known terrorist groups besides the Cartels.