Your answer would be: They wanted to control oil supplies and trade routes in the region.
English:
<em>Railroads contributed to urban growth and helped transform Texas from a frontier society to a modern state. Railroad construction became a leading industry. Once completed, railroads supported other industries that relied on transportation across the state.</em>
Español:
<em>Los ferrocarriles contribuyeron al crecimiento urbano y ayudaron a transformar Texas de una sociedad fronteriza a un estado moderno. La construcción de ferrocarriles se convirtió en una industria líder. Una vez completados, los ferrocarriles apoyaron a otras industrias que dependían del transporte en todo el estado.</em>
<em>- Mitsu JK</em>
<em>#SpreadTheLove</em>
<em>#DifundirElAmor</em>
The United States and the Soviet Union had been involved in the Cold War for about four decades
The military and political prowess of the King of Qin
The First Emperor was a brilliant at political strategy and the consolidation of power. He was also a strong military leader whose methods included massacre which led to his success at unifying the states