Pretty sure it is C because it it divisible by 3. If you divide 15 you get 5 and if you divide 6 you get 2.
By the early 1900s, Germany had worsening relations with all of the following except "Austria-Hungary", since a wave of nationalism in Germany gave them the impression that Austria-Hungary was really a part of Germany anyway.
Answer:
Austin
Explanation:
Austin, because the most successful Texas empresario, made four six-year contracts between 1823 and 1828 for a potential 1,200 families