Why is it necessary for a historian to be sure of the authenticity of a primary source?

The constitution protects the rights of citizens by limiting the power of government

The chart shows data on the construction of dreadnoughts, or armed battleships, by 1914. (look at chart provided) a logical conclusion that can be drawn from this chart is that britain and germany were a.)engaged in an arms race. b.)looking for ways to cooperate. c.)hoping not to fight on land. d.)the strongest nations on the earth.

What did jesuits and the leaders of the council of trent have in common? they wanted to improve relations with protestants by making compromises. they were opposed to improving spirituality within the catholic faith. they accused people of heresy and witchcraft. they were concerned with improving religious education.