Complex sentence: The near-by military training base at Camp Aldershot was significantly downsized and the town's major employer, the Dominion Atlantic Railway suffered serious declines with the collapse of the apple idustry and the growth of highway travel.
Split into simpler sentences: The near-by military training base at Camp Aldershot was significantly downsized. Most signigicantly the town's major employer, the Dominion Atlantic Railway suffered serious declines with the collapse of the apple idustry and the growth of highway travel.