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.
The musical genre of Reggae originated in "A. Jamaica," although it should be noted that soon after its origination it quickly spread to many of the other Caribbean islands.
A because the war propaganda made it hard for anyone to sell anything
Pledge of Allegiance contains the phrase "under God" and as such the obligation to participate in the Pledge clashes with the freedom of religion. Freedom of religion is written into law in the First Amendment, adopted in 1791.
