Answer:
C. Economic problems and depression around the world
Explanation:
looks like it's this one friendo
Italy joined the Anti-Comintern Pact on November 6, 1937. On May 22, 1939, Germany and Italy signed the so-called Pact of Steel, formalizing the Axis alliance with military provisions. Finally, on September 27, 1940, Germany, Italy, and Japan signed the Tripartite Pact, which became known as the Axis alliance.
Hoover Dam<span>, once known as Boulder Dam, is a concrete arch-gravity dam </span>in<span> the Black Canyon ....</span>Construction<span> of a rail line joining Las Vegas and the dam site began </span>in<span> September </span>1930<span>. .... Falling objects were the most common cause of death on the dam site; the highscalers' work thus </span>helped<span>ensure</span><span> worker safety</span>
It was the name of the boundary that divided Europe at the end of WW2
