The map below shows the division between free states and territories and slave states and territories in 1850. Why did the compromise that altered the boundaries of free and slave states as shown in the map above fail to resolve conflicts before the Civil War?

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.