Complex sentence: The journal incited the "Paper War" of 1752--1753, a conflict between a number of contemporary literary critics and writers, which began after Fielding declared "war" on the "armies" of Grub Street in the first issue.
Split into simpler sentences: The journal incited the "Paper War" of 1752--1753, a conflict between a number of contemporary literary critics and writers. This conflict began after Fielding declared "war" on the "armies" of Grub Street in the first issue.