What factors contributed to great britain’s industrial success?

Which fact would this be, and how might you verify the truth?

Why did the crew of the zong ship throw some captive africans overboard? a. there was not enough space in the ship. b. the captives’ deaths were covered by insurance. c. the ship did not have adequate food. d. the ship did not have sufficient crew to care for the sick captives. e. the african captives rebelled against the crew.

Which of the following was probably the most difficult challenge facing construction of the railroad?