Problem: Canadian Armed Forces:

Prior to Confederation in 1867, residents of the colonies in what is now Canada served as regular members of French and British forces and in local militia groups. The latter aided in the defence of their respective territories against attacks by other European powers, Aboriginal peoples, and later American forces during the American Revolutionary War and War of 1812, as well as in the Fenian raids, Red River Rebellion, and North-West Rebellion. Consequently, the lineages of some Canadian army units stretch back to the early 19th century, when militia units were formed to assist in the defence of British North America against invasion by the United States.

What is one of the threats that faced them?
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A: European powers


Problem: Copper:

The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC) used copper for sterilizing wounds and drinking water, and later on for headaches, burns, and itching. The Baghdad Battery, with copper cylinders soldered to lead, dates back to 248 BC to AD 226 and resembles a galvanic cell, leading people to believe this was the first battery; the claim has not been verified.

How is Corinthian bronze made?
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A: depletion gilding


Problem: Transistor:

Discrete transistors are individually packaged transistors. Transistors come in many different semiconductor packages (see image). The two main categories are through-hole (or leaded), and surface-mount, also known as surface-mount device (SMD). The ball grid array (BGA) is the latest surface-mount package (currently only for large integrated circuits). It has solder "balls" on the underside in place of leads. Because they are smaller and have shorter interconnections, SMDs have better high-frequency characteristics but lower power rating.

What is the oldest type of semiconductor package?
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A: unanswerable


Problem: Dutch Republic:

The free trade spirit of the time received a strong augmentation through the development of a modern, effective stock market in the Low Countries. The Netherlands has the oldest stock exchange in the world, founded in 1602 by the Dutch East India Company. While Rotterdam has the oldest bourse in the Netherlands, the world's first stock exchange – that of the Dutch East-India Company – went public in six different cities. Later, a court ruled that the company had to reside legally in a single city, so Amsterdam is recognized as the oldest such institution based on modern trading principles. While the banking system evolved in the Low Countries, it was quickly incorporated by the well-connected English, stimulating English economic output.

When was the stock exchange founded in the Netherlands?
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A:
1602