What was the only animal inca had to carry goods

If I am not mistaken, llamas helped the Incans carry their goods around town.

Transportation was developed due to over population from mining activities such as carrying out the products of the mines and bringing food to the miners. As a result of mining regions, railroads in colonial South America were developed to connect to ocean shipping.  The earliest railroad was built in Venezuela, from Tucacas to the famous copper mine at Aroa. This line was built in 1835 and abandoned shortly after. However, it has the distinction of being the first railroad on the continent

D. a new birth

Explanation:

In this speech, Lincoln uses the idea of a "new birth" in order to inspire a sense of hope in his audience. He tells us that in the past, men died at Gettysburg in order to protect the freedom of the country. Now, it is everyone's duty to ensure that this sacrifice was not in vain, and that the country overcomes the war and remains united and free. Lincoln, therefore, gives the audience a new sense of purpose, as well as a new sense of hope.