The first weekly newspaper in the colonies was the Boston Gazette,
establish in 1719, the smae year that marked the appearance of Philadelphia's first
newspaper, the American Mercury, where the young Benjamin Franklin worked.
By 1760 Boston had 4 newspapers and 5 other printing establishments;
Philadelphia, 2 newspapers and 3 other presses; and New York, 3 newspapers.
The distribution, if not the sale, of newspapers was assisted by the
establishment of postal service in 1710, which had a network of
some 65 offices by 1770, serving all 13 colonies.
Q: The word [which] refers to
A distribution
B sale
C newspaper
D postal service
