Answer:
i would say B. A foreign issue
Explanation:
The Louisiana Purchase was actually when the USA bought present-day Louisiana from France; it added French influences into our country, as well as more land.
British forces are unprepared for the war that may soon happen. On the other hand, the Czechoslovakia army force was prepared enough to serve and defend their country in the expected war.
Expansion of the united states of America from the Pacific coast to the Atlantic coast