c - it was very hard work to farm their crops with very little money.
Civilizations connected through trade first via trading tools with other nearby communities then it evolved into trading more goods such as foods crops and weapons. Then with boats this allowed technology and customs to travel for example Egyptian sculptures influencing Greek art work and the silk road. This helped humanity since a example of isolation was japan until the Miji Restoration. Humanity needs trade in order to communicate and get things they cannot make in their region of the world.
Answer:
Texas data for 1850 appeared on pages 308-319 in Statistical View of the United States … Being a Compendium of the Seventh Census, which was compiled by James D. B.
Its either between A and B, most likely A
