Where did the greeks, led by spartans, hold off the persians for two days before falling?

What industry was exempt from the child-labor laws passed in the factory act of 1833?

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.

What was a challenge for president truman’s political agenda in 1950