Since their domestication, a large number of breeds of chickens have been established, but with the exception of the white Leghorn, most commercial birds are of hybrid origin. In about 1800, chickens began to be kept on a larger scale, and modern high-output poultry farms were present in the United Kingdom from around 1920 and became established in the United States soon after the Second World War. By the mid-20th century, the poultry meat-producing industry was of greater importance than the egg-laying industry. Poultry breeding has produced breeds and strains to fulfil different needs; light-framed, egg-laying birds that can produce 300 eggs a year; fast-growing, fleshy birds destined for consumption at a young age, and utility birds which produce both an acceptable number of eggs and a well-fleshed carcase. Male birds are unwanted in the egg-laying industry and can often be identified as soon as they are hatch for subsequent culling. In meat breeds, these birds are sometimes castrated (often chemically) to prevent aggression. The resulting bird, called a capon, has more tender and flavorful meat, as well.
When did the poultry business boom in the United States ?
By the mid-20th century, the poultry meat-producing industry was of greater importance than the egg-laying industry

Ancient Greece had traditionally been a fractious collection of fiercely independent city-states. After the Peloponnesian War (431–404 BC), Greece had fallen under a Spartan hegemony, in which Sparta was pre-eminent but not all-powerful. Spartan hegemony was succeeded by a Theban one after the Battle of Leuctra (371 BC), but after the Battle of Mantinea (362 BC), all of Greece was so weakened that no one state could claim pre-eminence. It was against this backdrop, that the ascendancy of Macedon began, under king Philip II. Macedon was located at the periphery of the Greek world, and although its royal family claimed Greek descent, the Macedonians themselves were looked down upon as semi-barbaric by the rest of the Greeks. However, Macedon had a relatively strong and centralised government, and compared to most Greek states, directly controlled a large area.
What hegemoney replaced Sparta after the Battle of Leuctra?
Theban

Louis XIV distrusted the Parisians and moved his court to Versailles in 1682, but his reign also saw an unprecedented flourishing of the arts and sciences in Paris. The Comédie-Française, the Academy of Painting, and the French Academy of Sciences were founded and made their headquarters in the city. To show that the city was safe against attack, he had the city walls demolished, replacing them with Grands Boulevards. To leave monuments to his reign, he built the Collège des Quatre-Nations, Place Vendôme, Place des Victoires, and began Les Invalides.
In what year did Louis XIV move his court to Versailles?
1682