Which of the following agreements made war illegal?
a. league of nations
b. kellogg- briand pact
c. treaty of versailles
d. international-brigades agreement

It was technically the "Kellogg- briand pact" that made war illegal, since it was passed in 1928 after the Great War had devastated so much of the world economy.

The three steps before modern english were indo-european, germanic, and old english. as peoples moved around the eurasian continent, their languages changed. throughout the ages, the languages became more specialized. as english has many germanic influences, it is easy to see how this was one of the forebears. also, old english was one of the main ancestors of the modern language, spoken in the 5th through about the 13th centuries.