The technology rail roads had made transportation a lot more easier as it was able to provide easy access of transportation among the people, the free enterprise system is where the government laid rules of which are only few and are restricted for the contribution of those who are participating and for the sake of balance among the market in which had made a rise in the national markets because of this system and the population were a part of it as every development and achievement were because of the people involved.
The correct answers are B and D.
B) The Inca road system, known in Quechua language as <em>Qhapaq Ñan</em>, was the largest transportation system in Pre-Columbian South America. It connected important nodes of the Inca Empire following the Andes, from the North in what today is Colombia to the South in what today is Argentina.
D) They also built large stone cities in the Andes mountains, the most famous one among them was Machu Picchu, which is made completely out of giant blocks of stone fitted to each other without mortar.
Mark Twain called the late 19th century the "Gilded Age." By this, he meant that the period was glittering on the surface but corrupt underneath.
An oligarchy government is different because a small group of people rule, and in a absolute monarchy you inherit the position with unlimited power.