<human>:  Describe the history of the Trans-Pacific Partnership.
<bot>: The Trans-Pacific Partnership (TPP) was an agreement signed by twelve nations originally in 2015: Australia, Brunei, Canada, Chile, Japan, Malaysia, Mexico, New Zealand, Peru, Singapore, the United States, and Vietnam. However, the agreement was formally terminated in 2017 following the withdrawal of the United States from the partnership.The TPP agreement was meant to reduce trade tariffs, promote economic reforms, guarantee better labor and environmental standards, and strengthen intellectual property rights for the members. It would have created one of the world’s largest free trade zones. Negotiations to form the agreement began in 2010, with the original members signing it in 2015.In 2017, the United States officially withdrew from the agreement, effectively ending the TPP. The other countries have continued to pursue the Pacific Alliance, an alternative free trade agreement.