Which statement makes the best generalization about warfare in the early years of world war i?

a. significant territorial gains were made, but casualties were high.
b. significant territorial gains were made, and casualties were low.
c. few territorial gains were made, and casualties were high.
d. few territorial gains were made, but casualties were low.

The best generalization about the warfare in the early years of world war 1  is A. Significant territorial gains were made, but casualties were high.

Explanation:

There were huge political and geographical changes in Eurasia after world war I. Old countries were abolished and new boundaries were formed. It also transformed many monarchical governments to democratic governments, Germany and allied powers lost in the world war 1 and due to which they were asked to pay huge war debts which shook the economy.

The dissolution of many German, Russian, Austro-Hungarian and ottoman empires created a number of new countries., World War I is considered to be one of the most deadliest conflicts in the human race. Sixteen million soldiers died. Around thirty seven million civilians including military personnel.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers