Answer:
Wich abbreviation stands for time beginning at year 1and after and means in the year of our lord
Explanation:
Many people use the abbreviations B.C. and A.D. with a year (for example, A.D. 2012). B.C. refers to "Before Christ," and the initials, A.D., stand for Anno Domini, which is Latin for "In the year of our Lord." This system was devised by a monk in the year 525.
Answer:
B I think
Explanation: Crossed by few passes, the Appalachians were a barrier to early westward expansion and played an important role in U.S. history; major east-west routes like the Cumberland Gap and Mohawk Trail followed river valleys or mountain notches.
It would be number 2 so A.2