Does the sentence "However, San Diego had been losing population throughout the 1830s and in 1838 the town lost its pueblo status because its size dropped to an estimated 100 to 150 residents." provide a valid answer to the question "Why did San Diego lose its pueblo status in 1838?"

A: yes

Does the sentence "In late 1954, Gen. J. Lawton Collins was made ambassador to "Free Vietnam" (the term South Vietnam came into use in 1955), effectively elevating the country to sovereign status." provide a valid answer to the question "When did Eisenhower first send military advisers to South Vietnam?"

A: no

Does the sentence "The flagship product is The Times Comprehensive Atlas of the World." provide a valid answer to the question "The Times began producing what kind of non-newspaper product in 1895?"

A: no

Does the sentence "The Home Mission Society prevented slaveholders from being appointed as missionaries." provide a valid answer to the question "Who prevented slaveholders from being appointed missionaries?"

A:
yes