What is one of the defining characteristic of the modern era

Which of the following two groups did not do battle with the romans? select all that apply.

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.

What problems did socialist thinkers seek to solve