B. Executive because the president is in the executive department or branch. It could not be administrative because that is not one of the three departments or branches.
Enslave the Natives. That is a big one.
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.
Answer:
he was known for the first circumnavigation for the earth