The correct answer is Cotton.
Texas was a great area for cotton because of the vast amounts of land that were farmed and because of the amazing climate. They also had slaves so they could have them work on those farms and produce cotton which was the main thing in their economy.
I am not 100% on this so you may want to fact check my response:
Lusitana - it was torpeded by German U-Boats and it sank in 18 minuntes... i also believe it was a passenger ship which also really upset the US
submarine- new
I believe the answer is Diana
I'm sorry i don't understand