In battleground states, they will be more competitive. therefore, people of both parties will feel inclined to run and parties will put more money into flipping them or winning campaigns to show their strength.
A thing that is needed or wanted.
President Lincoln's First Inaugural Address focused on reassuring the Southern states that the president would not try to strip them of their slaves and that he would try to find a way to help them secure slavery if it would make them happy.
Oda Nobunaga, Toyotomi Hideyoshi, and
Tokugawa Ieyasu