Which factor contributed most to florida becoming a u. s. territory?
1.) the outcome of the seminole wars
2.)the weakening of spain's hold over its colonial possessions
3.) the desire of southern politicians to expand slavery into new territories
4.)the development of the gulf of mexico as an important commercial waterway

Why was the u.s. annexation of hawaii delayed until william mckinley became president? a: the rebels who overthrew queen liliuokalani opposed u.s. annexation. b: the senate did not approve the treaty of annexation until mckinley entered the white house. c: supporters of the nationalist cause were in the majority in hawaii until 1898. d: mckinley’s predecessor, grover cleveland, refused to sign the treaty of annexation.