Final answer:
The Transatlantic Trade and Investment Partnership (T-TIP) is a suggested trade agreement between the United States and the European Union.
Step-by-step explanation:
Transatlantic Trade and Investment Partnership (T-TIP) is a suggested trade agreement between the United States and the European Union (EU). It aims to eliminate trade barriers and promote economic growth between the two major economies. T-TIP negotiations began in 2013 but have faced challenges and have not been finalized.