[Answer] 3. Although he never won the Nobel Peace Prize, the most peace-oriented man of 1948, and perhaps of the entire Twentieth Century, was assassinated before the first month was out. Name him.

Step 1 : Introduction to the question "3. Although he never won the Nobel Peace Prize, the most peace-oriented man of 1948, and perhaps of the entire Twentieth Century, was assassinated before the first month was out. Name him."

...1. Jan Masaryk 2. Mohandas Gandhi 3. Walter Reuther 4. Babe Ruth Gandhi was nominated for the Peace Prize five times, including 1948. When it came time to award the Nobel Prizes that year, none was given in the Peace category, the Nobel Committee saying there was "no suitable living candidate." In 1999, Gandhi was second to Albert Einstein as Time Magazine's "Person of the Century."

[Ans] What year was Yosemite National Park declared a World Heritage Site? 1916, 1942, 1948 ,1984

Step 1 : Introduction to the question "What year was Yosemite National Park declared a World Heritage Site?"

...When was Yosemite National Park founded? Muir and Johnson lobbied Congress for the Act that created Yosemite National Park on October 1, 1890. The State of California, however, retained control of Yosemite Valley and Mariposa Grove. 

When Yosemite National Park was established? 1 October 1890 Yosemite National Park/Established 

 How much does it cost to get into Yosemite National Park? Yosemite Entrance Fees Description Good For: Cost Individual (on foot, horseback, or bus) 7 Days, Yosemite National Park $15 Motorcycle 7 Days, Yosemite National Park $25 Automobile 7 Days, Yosemite National Park $30 Yosemite Pass (automobile) 1 Year, Yosemite National Park

Step 2 : Answer to the question "What year was Yosemite National Park declared a World Heritage Site?"

1984:

 The park encompasses 747,956 acres in the central Sierra Nevada Mountain Range in California, with approximately 95% of the park federally designated wilderness. Yosemite National Park was declared a World Heritage Site on October 31, 1984.Mar 1, 2015

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