Complex sentence: The next year his government negotiated the purchase of the large Cunard estate which composed 15% of the island's land mass in order to redistribute the land to over 1,000 tenants but the colony lacked the funds to purchase all the island's proprietary estates.
Split into simpler sentences: The next year, his government negotiated the purchase of the large Cunard estate, which composed 15% of the island's land mass, in order to redistribute the land to over 1,000 tenants. The colony lacked the funds to purchase all the island's proprietary estates.