The Answer should be C. I really hope this helps you. c:
Explanation:
Steamboats positively affected the world because they made the transportation of goods more efficient and economical. Travel time was cut in half and was a compliment of the railroads, both for commercial and passenger transportation. Steamboats were independent of the wind speed and direction.
Answer:
The Gupta Empire, founded by Maharaja Sri Gupta, was an ancient Indian realm that covered much of the Indian Subcontinent from approximately 320-550 CE. Gupta rule, while solidified by territorial expansion through war, began a period of peace and prosperity marked by advancements in science, technology, engineering, art, dialectics, literature, logic, mathematics, astronomy, religion, and philosophy. Gupta made novel advances in the sciences, astronomy (Gupta philosophers proposed that the earth was not flat, but was instead round and rotated on an axis by viewing lunar eclipses and discoveries about gravity and the planets of the solar system, which they used to tell the horoscopes). Indian mathematicians in the Gupta period made important contributions. They were the first to use algebra, develop the idea of zero, and explain the concept of infinity; something without an end. They were also were the first to use the numbers 1-9 for counting. Early Indians also invented mathematical algorithms. In medicine, Gupta physicians developed herbal remedies to treat various illnesses. They also developed a form of plastic surgery for the treatment of facial injuries. Physicians vaccinated against smallpox, a practice later used in China around the10th century and in Europe in the 17th century.
I hope this helps a little bit.
Roads canals and railroads helped move people west because then supplies could get to people living in the west
