Which question can you ask yourself if you are making a category inference?

a: what do these details have in common?
b: how did this happen?
c: why did she do that?
d: what is the solution?

the Answer is A: What do these details have in common?

after the signature of the treaty of versailles in june 1919, germany lost nearly 25,000 square miles and a population of 7 million people. these territories included eupen-malmedy area and moresnet which were ceded to belgium. regarding relations with france, germany ceded the sovereignty of the saar coal mines to this country, as well as the provinces of alsace-lorraine.

explanation:

answer: this is easy, i found "it"

i will repeat the question again, "find it."

here, i located it.