Anti-war marches and other protests, such as the ones organized by Students for a Democratic Society (SDS), attracted a widening base of support over the next three years, peaking in early 1968 after the successful Tet Offensive by North Vietnamese troops proved that war's end was nowhere in sight.
The only answer that makes sense would be A!!
The imperial education and examination system in China is estimated to have been founded as early as the Han dynasty (206 BCE to 220 CE), and is strongly based on meritocratic ideals that persist in Chinese education to this day.
D) because the South resented tariffs as they relied on British Imports for their everyday Goods. The North supported them because it helped their growing Industries.