Complex sentence: Fort Wayne government officials blocked the development under pressure from local preservation groups, and one non-profit organization attempted to raise money to buy the house and surrounding land from the developers, who had let the abandoned building fall into disrepair.
Split into simpler sentences: Fort Wayne government officials blocked the development under pressure from local preservation groups. One non-profit organizations attempted to raise money to buy the house and surrounding land from the developers, who had let the abandoned building fall into disrepair.