The answer to your question is c and e
A is the answer I believe
Answer:
In short, the conflict stemmed merely from Austria-Hungary and Serbia’s disagreement over how to handle the assassination of Archduke Ferdinand: the Austro-Hungarian government believed that the Serbian government was connected with the assassination and therefore demanded to be involved in the investigation and judicial process within Serbia.
Explanation:
The british gave president wilson the zimmerman telegram on feb 24th and on march 1st the i.s. press reported on its existence.
People could fly places or drive to see family more and use it more in diffrent ways.