I need help with civics asap Please 7th grade help

Which one of the following statements best characterizes change to agriculture in the united states since 1900

What was one important characteristic of the russian military during world war i? a. it had more advanced military technology than its western european allies. b. it was an all-volunteer military that enjoyed high morale throughout the war. c. it defended russian territory but refused to attack german positions d. it was unable to provide its forces with adequate weapons and supplies.

How big would a 1940s computer have to be in order to have the power of a modern personal computer?