Why do presidential candidates focus on battleground states?

Whose writings were the source of the idea that people have a right to abolish and replace a government that violates their natural rights?

Germany italy and japan formed the tripartite pact in part because they: a. hoped to convince the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. believed their territories were threatened by aggressive foreign states

What was the earliest settlement shown on the map?