Does "During this period many Aboriginal activists began to embrace the term "black" and use their ancestry as a source of pride." contain the correct answer to "Who said the Aboriginal people started to embrace their ancestry?"

A: no

Does "The Treaty of Guadalupe Hidalgo, signed on February 2, 1848, by American diplomat Nicholas Trist and Mexican plenipotentiary representatives Luis G. Cuevas, Bernardo Couto, and Miguel Atristain, ended the war, gave the U.S. undisputed control of Texas, and established the U.S.Mexican border of the Rio Grande." contain the correct answer to "Control over which current U.S. state was given to the U.S. under this treaty?"

A: yes

Does "Despite the initial loss, today there is likely no major academic library in the world which does not hold a copy of Principia Mathematica." contain the correct answer to "How long did Whitehead and Russell expect to spend creating Principia Mathematica?"

A:
no