Complex sentence: The war ended before large-scale farming of the guayule plant began, and the project was scrapped as it was cheaper to import tree-derived latex than to crush the shrubs for a smaller amount of latex.
Split into simpler sentences: The war ended before large-scale farming of the guayule plant was realized, and the project was scrapped. It was simply cheaper to import tree-derived latex than to crush the shrubs for a smaller amount of latex.