What elements of world war i distinguished it from earlier wars? how did these elements influence the course of the war?

There were many technological developments during World War I. One of the most notable inventions was tanks, which were developed and put into full utilization in the year 1914. These vehicles fulfilled the purpose of being a method of transportation and a weapon that would be used until nowadays. Among other inventions at the time were flamethrowers, poison gas, and tracer bullets. This last invention would make night combat more feasible, as bullets left a brief trace that would make it possible for soldiers to have a reference point their next shot during the night.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

your answer will be b. improving roads, bridges, and other infrastructure. hope i !