Two party systems are most common in the English-speaking countries of the world and have been for some time, although many people think that it is detrimental to the political environment.
The Hundred Days Offensive Jul–Nov 1918 was the costliest
The Ludendorff offensive other wise known as the spring offensive was a German offensive on the Western Front intended to win the war before the American troops that had begun arriving in France could fully deploy.
I'm unsure of how far they advanced
Kaiserschlacht was the last German offensive and was a series of German attacks along the Western Front.
Kennan thought if he provided aid to countries that were suffering economically and might soon have to go into the soviet union, he could build them up and therefore they could stand up against communism.
It is b: gave them lots of land to build