What did columbus's 1st and 4th voyages have in common?

Why is it useful for historians to base certain studies on the analysis of historical periods

What are some differences between mccarthy’s “west virginia speech” and his “letter to president truman”? what are some similarities?

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.