They are in the Alliance of "Warsaw Pact". the alliance was created as a reaction to the Establishment of the "North Atlantic Treaty Organization" which is an alliance established by The United States to prevent Communist Expansionism.
In order to provide a piece of evidence to compare the level of the Incas’ and Maya culture’s investments in public works projects, you can mention the following:
As regards Incas' architecture: Qollqa were stone houses situated on hillsides. They had drainage canals in order to keep the interior dry. Another example can be Machu Picchu that was a settlement like a fortress (located in the High Andes of Perú)
As regards Mayas' architecture: its region consisted of the northern lowlands, their pyramids relied on intricately carved stone. They built temples like 'The Temple of the Cross at Palenque. Usually, their structures were covered with stucco to smooth imperfections. Besides, their structures were aligned so as to have an astronomical observation.
At that time, record sales, radio airplay and jukebox pick where the 3 ways of media diffusion for musicians. People would normally listen to music according to one of these 3 platforms according to their lifestyle and economic position. It is also known that certain music genres could be associated to one or another platform. Therefore, limiting the quantification of reproductions to only one platform would create a bias that would produce a distortion in the information presented.
Martin Van Buren created an efficient state political organization called the Albany Regency.
