What does it mean Upton Sinclair

Upton Sinclair was a famous novelist and social crusader from California, who pioneered the kind of journalism known as "muckraking." His best-known novel was "The Jungle" which was an expose of the appalling and unsanitary conditions in the meat-packing industry.

Explanation:

whose novels argued for social reform

Explanation:

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.