Problem: A different format, CD-4 (not to be confused with compact disc), by RCA, encoded the front-rear difference information on an ultrasonic carrier, which required a special wideband cartridge to capture it on carefully calibrated pickup arm/turntable combinations. CD-4 was even less successful than the two matrixed formats. (A further problem was that no cutting heads were available that could handle the HF information. That was remedied by cutting at half the speed. Later, the special half-speed cutting heads and equalization techniques were employed to get a wider frequency response in stereo with reduced distortion and greater headroom.)
How widespread was the success of CD-4 format? 
The answer is the following: even less successful than the two matrixed formats

Problem: During the war, the Seven Nations of Canada were allied with the French. These were Native Americans of the Laurentian valley—the Algonquin, the Abenaki, the Huron, and others. Although the Algonquin tribes and the Seven Nations were not directly concerned with the fate of the Ohio River Valley, they had been victims of the Iroquois Confederation. The Iroquois had encroached on Algonquin territory and pushed the Algonquins west beyond Lake Michigan. Therefore, the Algonquin and the Seven Nations were interested in fighting against the Iroquois. Throughout New England, New York, and the North-west Native American tribes formed differing alliances with the major belligerents. The Iroquois, dominant in what is now Upstate New York, sided with the British but did not play a large role in the war.
How much help did the Seven Nations give the French in the Ohio Valley?
The answer is the following: the Seven Nations were not directly concerned with the fate of the Ohio River Valley

Problem: In mid-2015, a new model of the iPod Touch was announced by Apple, and was officially released on the Apple store on July 15, 2015. The sixth generation iPod Touch includes a wide variety of spec improvements such as the upgraded A8 processor and higher-quality screen. The core is over 5 times faster than previous models and is built to be roughly on par with the iPhone 5S. It is available in 5 different colors: Space grey, pink, gold, silver and Product (red).
What type of processor does the current iPod Touch use?
The answer is the following: A8

Problem: In 1409, a hospital was founded and placed under the patronage of Santa María de los Inocentes; to this was attached a confraternity devoted to recovering the bodies of the unfriended dead in the city and within a radius of three miles (4.8 km) around it. At the end of the 15th century this confraternity separated from the hospital, and continued its work under the name of "Cofradia para el ámparo de los desamparados". King Philip IV of Spain and the Duke of Arcos suggested the building of the new chapel, and in 1647 the Viceroy, Conde de Oropesa, who had been preserved from the bubonic plague, insisted on carrying out their project. The Blessed Virgin was proclaimed patroness of the city under the title of Virgen de los desamparados (Virgin of the Forsaken), and Archbishop Pedro de Urbina, on 31 June 1652, laid the cornerstone of the new chapel of this name. The archiepiscopal palace, a grain market in the time of the Moors, is simple in design, with an inside cloister and a handsome chapel. In 1357, the arch that connects it with the cathedral was built. In the council chamber are preserved the portraits of all the prelates of Valencia.
Who insisted on building the new chapel?
The answer is the following:
Conde de Oropesa