I think that the answer is D, to create railroad networks that spanned the entire country
This was the more radical position of the American settlers and Tejanos in Texas. Houston was selected as Commander-in-Chief at the convention to declare Texan independence in March 1836, and he signed the Texas Declaration of Independence on March 2, 1836, his 43rd birthday.
The main cause of the Punic Wars was the conflicts of interest between the existing Carthaginian Empire and the expanding Roman Republic. The Romans were initially interested in expansion via Sicily (which at that time was a cultural melting pot), part of which lay under Carthaginian control.
C is correct. According to some sources, it is true that women from the United States of America have been able to serve in the military during WW2.