Problem: The Angel, Islington was formerly a coaching inn, the first on the route northwards out of London, where Thomas Paine is believed to have written much of The Rights of Man. It was mentioned by Charles Dickens, became a Lyons Corner House, and is now a Co-operative Bank.
In what district of London is The Angel located?
The answer is the following: Islington

Problem: New Delhi is a cosmopolitan city due to the multi-ethnic and multi-cultural presence of the vast Indian bureaucracy and political system. The city's capital status has amplified the importance of national events and holidays. National events such as Republic Day, Independence Day and Gandhi Jayanti (Gandhi's birthday) are celebrated with great enthusiasm in New Delhi and the rest of India. On India's Independence Day (15 August) the Prime Minister of India addresses the nation from the Red Fort. Most Delhiites celebrate the day by flying kites, which are considered a symbol of freedom. The Republic Day Parade is a large cultural and military parade showcasing India's cultural diversity and military might.
On Indian Independence Day, kites are flown by citizens which symbolize what concept?
The answer is the following: freedom

Problem: Some mozni (Magnates) descending from past tribal dynasties regarded themselves as co-proprietors of Piast realms, even though the Piasts attempted to deprive them of their independence. These mozni (Magnates) constantly sought to undermine princely authority.:75, 76 In Gall Anonym's chronicle, there is noted the nobility's alarm when the Palatine Sieciech "elevated those of a lower class over those who were noble born" entrusting them with state offices. (Manteuffel 1982, p. 149)
What did the magnates do to the Piasts realms?
The answer is the following: attempted to deprive them of their independence

Problem: USB is a serial bus, using four shielded wires for the USB 2.0 variant: two for power (VBUS and GND), and two for differential data signals (labelled as D+ and D in pinouts). Non-Return-to-Zero Inverted (NRZI) encoding scheme is used for transferring data, with a sync field to synchronize the host and receiver clocks. D+ and D signals are transmitted on a twisted pair, providing half-duplex data transfers for USB 2.0. Mini and micro connectors have their GND connections moved from pin #4 to pin #5, while their pin #4 serves as an ID pin for the On-The-Go host/client identification.
What is USB?
The answer is the following:
a serial bus