A. Building a network of roads.
Autumn would announce its arrival by (c) SIGHT
Answer:
On May 17, 1954, U.S. Supreme Court Justice Earl Warren delivered the unanimous ruling in the landmark civil rights case Brown v. Board of Education of Topeka, Kansas. State-sanctioned segregation of public schools was a violation of the 14th amendment and was therefore unconstitutional.
In 1868 the Tokugawa shôgun ("great general"), who ruled Japan in the feudal period, lost his power and the emperor was restored to the supreme position. The emperor took the name Meiji ("enlightened rule") as his reign name; this event was known as the Meiji Restoration.