Answer:
Geographic obstacle:hills,mud,rocks.
Political obstacle: Mexicans didn't want to give up land.
History is open to ongoing and changing interpretations because changing <span>values limit interpretation. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your great help.</span>
Answer: On the afternoon of May 7, 1915, the British ocean liner Lusitania is torpedoed without warning by a German submarine off the south coast of Ireland. Within 20 minutes, the vessel sank into the Celtic Sea. Of 1,959 passengers and crew, 1,198 people were drowned, including 128 Americans.
Joseph McCarthy created a red scare
Answer:
As Russia had guaranteed Serbia to protect them from Austrian threats, later Russian Empire would declare war on the Austrian-Hungarian Empire. Then Germany had upheld its end of the bargain by being in an alliance with Austria-Hungary and declared war on Russia and France since France was allied with Russia. Later then Britain would declare war on Germany for invading neutral Belgium. After that the Kingdom of Italy would join the Entente and declare war on Austria-Hungary.
Explanation: