Pls help with these two questions

The vietnam war was considered by many to be america’s first unopposed win independent war defeat

Which of these was not a key difference between northern and southern states at the constitutional convention? wanting to protect states’ interests vs. a government with strict rules having more, larger cities vs. having fewer, smaller cities wanting to protect agriculture vs. protect industries having many enslaved people vs. using less enslaved labor

Which of the following events most directly contributed to the establishment of israel as a nation