Answer:
In a year that seemed determined to shake Americans’ confidence in the foundations of their society, Kennedy’s death at 1:44 a.m. Pacific time on June 6, 25 hours after he was shot, was one of the biggest inflection points. Sirhan Sirhan’s bullets not only demolished the hope for a savior candidate who would unite a party so fractured that its incumbent, President Lyndon B. Johnson, had decided not to seek re-election. Coming just two months after the assassination of the Rev. Dr. Martin Luther King Jr., they also fueled a general sense — not entirely unfamiliar today — that the nation had gone mad; that the normal rules and constants of politics could no longer be counted on.
The answer is option 3: A technique for making porcelain was perfected.
The art of making porcelain prospered in both periods. A lot of innovations were made in forms, glazes, decorative techniques methods of production and kiln technology.
During the Tang Dynasty, porcelain kilns were constructed all over the country and a type of vessel with molded decorations on it became very popular, which was made using an "upside down" and the coal was used as kiln fuel.
By the Song period, the manufacturing process was standardized (base-making, glazing, ingredient control, and temperature maintenance). In addition, the industry was divided into five types of kilns that had several features for glaze coloring and pattern design.
A. To protect freedom of the ppl
I'm pretty sure this is wrong but my best guess would be John smith. You know, that guy from Pocahontas.
The answer is 2x^2 - 2x + 3