Complex sentence: The mid- 1800's were years of decay and yearning for the "good old times" before the French Revolution, with shepherding and small mining and agricultural exploitations as the main economic activities along with an increased presence of customs officials, both local and non-Basques.
Split into simpler sentences: The mid- 1800's were years of decay and yearning for the "good old times" before the French Revolution. Shepherding and small mining and agricultural exploitations as the main economic activities along with an increased presence of customs officials, both local and non-Basques.