The correct answer is - A. Embracing Taoist philosophy.
The first Chinese Emperor, Qin Shi Huangdi, was a great leader and is very respected in China even nowadays for his multiple achievement, and they are indeed in abundance, but the embracing of the Taoist philosophy is not one them.
Qin Shi Huangdi is well known for making the initial version of the Great Wall so that China is protected from the Mongols and Turkic people from the north, making a standardized written language, laws, implementing standardized measurements, making one of the most amazing antique piece of architecture, the Mausoleum with the terra-cotta Army, but most importantly, his biggest achievement was that he unified the Chinese people and created one strong, big, country, to which he set up the basis for future development and progress.
1 is long term because it’s talking about a process that took years. 2 is short term because the population boom was very sudden. 3 is long term because the effect spans centuries.
Also known as the Seven Years’ War, this New World conflict marked another chapter in the long imperial struggle between Britain and France. When France’s expansion into the Ohio River valley brought repeated conflict with the claims of the British colonies, a series of battles led to the official British declaration of war in 1756. Boosted by the financing of future Prime Minister William Pitt, the British turned the tide with victories at Louisbourg, Fort Frontenac and the French-Canadian stronghold of Quebec. At the 1763 peace conference, the British received the territories of Canada from France and Florida from Spain, opening the Mississippi Valley to westward expansion.
