Complex sentence: The Foundation's initial focus was on architectural preservation, with the goal to restore Monticello as close to its original appearance as possible, but has since grown to include other historic and cultural pursuits and programs such as their Annual Independence Day Celebration and Naturalization Ceremony.
Split into simpler sentences: The Foundation's initial focus was on architectural preservation, with the goal of restoring Monticello as close to its original appearance as possible. It has since grown to include other historic and cultural pursuits and programs such as its Annual Independence Day Celebration and Naturalization Ceremony.