In the section "organization of trenches" what we're the four types of trenches used by the allies

The middle east is the best association with which international traded product

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.

Which economic sector employs the least number of people in mexico, barbados, and venezuela? a. agriculture b. services c. industry