Complex sentence: In an era of open politics, there were instances of petitions against land rents, farmer demonstrations and the emergence of an effective Farmer Federation of Thailand which frequently clashed with the ruling elite in its attempt to provide a better life for the Thai farmers.
Split into simpler sentences: In an era of open politics, there were instances of petitions against land rents, farmer demonstrations leading to the emergence of an effective Farmer Federation of Thailand (FFT). The FFT frequently clashed with the ruling elite in its attempt to improve the lives of the Thai farmers.