It's difficult to say which state politically led the way, but if you are asking which of the southern states fired the first shot of the war, it was South Carolina when the state forces fired on Federal forces manning Fort Sumter, located in the middle of Charleston harbor.
Slavery
Which state's admission into the United States led to war?
Texas
Communist infiltration into South Vietnam.
See answer below.
South Carolina
Jefferson Davis was the President of the Confederate States of America. ______________ But he did not lead the south into the Civil War he led them DURING the civil war.
Jefferson Davis led the South and Abraham Lincoln led the North .
The French Indochina War most likely led to the (so called) American Vietnam War. Because the French war divided up the country into TWO nations; North & South Vietnams. When the communist led North Vietnam attempted to take over (conquer) South Vietnam... this led to US involvment.
Slavery
Ulysses S. Grant