Why is "Northern theater of the American Revolutionary War after Saratoga" trending?

Wikipedia Overview

The northern theater of the American Revolutionary War after Saratoga consisted of a series of battles between American revolutionaries and British forces, from 1778 to 1782 during the American Revolutionary War. It is characterized by two primary areas of activity. The first set of activities was based around the British base of operations in New York City, where each side made probes and counterprobes against the other's positions that sometimes resulted in notable actions. The second was essentially a frontier war in Upstate New York and rural northern Pennsylvania that was largely fought by state militia companies and some Indian allies on the American side, and Loyalist companies supported by Indians, British Indian agents, and occasionally British regulars. The notable exception to significant Continental Army participation on the frontier was the 1779 Sullivan Expedition, in which General John Sullivan led an army expedition that drove the tribes among the Iroquois allied with the British out of New York. The warfare amongst the factions of the Iroquois Confederation was particularly brutal, turning much of the Confederation populations into refugees