What are some reasons that there was limited science during the middle ages ?

Which of the following accurately describes the workforces of the united states and canada? a. most of the workforce in the united states and canada is employed in the service industry. b. most of the workforce in the united states and canada is employed in the educational field. c. most of the workforce in the united states and canada is employed in manufacturing and mining. d. most of the workforce in the united states and canada is employed in agriculture.

By the time died in 1725 russia was an important european state

In what middle eastern country did a terrorist attack on americans take place in the city of manbij?