What does the abbreviation for the Latin phrase Anno Domini refer to? ОА
OB.
the years after Jesus Christ's birth
the years before Jesus Christ's birth
OC. the years during Jesus Christ's lifetime
the years of Roman rule
OD

OA: the years after Jesus Christ birth

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.