They were signing a petition to establish the 'Columbia Territory'.
Answer: John Muir
Explanation:
Because of his influential writings and role in the creation of multiple parks, he is often called "The Father of Our National Park System." John Muir also co-founded the Sierra Club in 1892 and was its first president until his death in 1914
Answer: taking little action to aid Jews until World War II was nearly over
Explanation: America maintained a neutral status during world War 2. The only help rendered was allowing passage of fleeing jews into America. It was not until Japanese attack on pearl Harbour did America enter the war (this was close to the ending of the war) and then sent troops into Germany who eventually along with Russia liberate the concencration camps.
'Peace through strength' is the idea that military power can secure peace. It is associated with conservative politics and was often used by the former U.S. President Ronald Reagan in the 1980s. More recently it's been used by the current President Donald Trump.