Problem: Non-cinematic HDTV video recordings intended for broadcast are typically recorded either in 720p or 1080i format as determined by the broadcaster. 720p is commonly used for Internet distribution of high-definition video, because most computer monitors operate in progressive-scan mode. 720p also imposes less strenuous storage and decoding requirements compared to both 1080i and 1080p. 1080p/24, 1080i/30, 1080i/25, and 720p/30 is most often used on Blu-ray Disc.
1080i, 1080p, and 720p are often used on what kind of disc. 
The answer is the following: Blu-ray

Problem: In many ancient civilizations, such as those of Egypt and Mesopotamia, architecture and urbanism reflected the constant engagement with the divine and the supernatural, and many ancient cultures resorted to monumentality in architecture to represent symbolically the political power of the ruler, the ruling elite, or the state itself.
What does architectural monumentality often represent?
The answer is the following: political power

Problem: Luís Cabral, brother of Amílcar and co-founder of PAIGC, was appointed the first President of Guinea-Bissau. Following independence, the PAIGC killed thousands of local Guinean soldiers who had fought along with the Portuguese Army against guerrillas. Some escaped to settle in Portugal or other African nations. One of the massacres occurred in the town of Bissorã. In 1980 the PAIGC acknowledged in its newspaper Nó Pintcha (dated 29 November 1980) that many Gueinean soldiers had been executed and buried in unmarked collective graves in the woods of Cumerá, Portogole, and Mansabá.
How many Guinean soldiers did the PAIGC kill?
The answer is the following: thousands

Problem: On 3 December 1963, US President Lyndon B. Johnson posthumously awarded him the Presidential Medal of Freedom, the United States' highest civilian award, in recognition of the good relationship between Pope John XXIII and the United States of America. In his speech on 6 December 1963, Johnson said: "I have also determined to confer the Presidential Medal of Freedom posthumously on another noble man whose death we mourned 6 months ago: His Holiness, Pope John XXIII. He was a man of simple origins, of simple faith, of simple charity. In this exalted office he was still the gentle pastor. He believed in discussion and persuasion. He profoundly respected the dignity of man. He gave the world immortal statements of the rights of man, of the obligations of men to each other, of their duty to strive for a world community in which all can live in peace and fraternal friendship. His goodness reached across temporal boundaries to warm the hearts of men of all nations and of all faiths".
When was President Johnson's speech for John XXIII?
The answer is the following:
6 December 1963