D is the answer i believe
Explore west of the Mississippi River
The people in the south were farmers.
They didn't have many factories in the south.
Thomas Eidson !!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Germany invaded Austria
Explanation:
Great Britain entered World War I on 4 August 1914 when the King declared war after the expiration of an ultimatum to Germany. The official explanation focused on protecting Belgium as a neutral country; the main reason, however, was to prevent a French defeat that would have left Germany in control of Western Europe.