Answer: BRAINLIEST PLZ
•The Allied troops had to fight their way onto a 60-mile beach.
Explanation:
Since Russia had an alliance with Serbia, it ordered its forces to mobilize for war. it wasn't a formal alliance, but it did specify that if someone declared war on Serbia, Russia would also step in. This resulted in other countries also getting involved in the war. The answer would be D!
-TetraFish
Answer:
Correct answer is c. Columbian exchange
Explanation:
C is the correct answer as the term was named after Christopher Columbus who discovered new continent, thus establishing links between the New and Old World.
A is not correct as this is a term connected with slave trade.
B is not correct as it has nothing to do with this topic whatsoever.
D is not correct as this term is being used for the trade between three different regions.
