The Persians were unable to cross the mountains
so funny im learning that to and in Middlesex County, Province of Massachusetts Bay, within the towns of Lexington, Concord im pretty sure.
Answer:
The correct sentence is C. " Mass immigration into the United States began in the 1830s, when many Irish, Germans, and Scandinavians arrived. "
Explanation:
Sentence "A" incorrectly implies that the arrival ofIrish, German, and Scandinavian immigrants is merely an example andnot the main cause of the mass immigration of the 1830s;
sentence "B"
incorrectly implies that the arrival of Irish, German, and Scandinavianimmigrants was somehow contrary to the beginning of mass immigrationin the 1830s.
I believe it is the last option... "Its political system cannot be easily changed.
B. Allied forces began to take the offensive for the first time in the Pacific.
The offensive on Guadalcanal gave the Allies an important foothold with a very strategic airfield from which to launch missions from in the Pacific.