The US felt betrayed by Mexico. Germany’s request for money angered the US. Germany’s offer of land posed a direct threat to the US. The US wanted to support Mexico in its conflict with Germany. Germany’s offer of land posed a direct threat to the US.
B, Sentence 4. The explanation, "her old friend," should be set off by parenthetical commas.
It’s either identity or sadness bc “a women like that is misunderstood” meaning she is probably been rumored about or been judged a lot. “I have been her kind” that’s pretty much the author sharing her pain and it obviously sounds pretty depressing.