Identify the role of various leaders like Otto von Bismarck, Giuseppe Mazzini, Cavour, Victor Emmanuel II in the unification of Italy and Germany.

i also think he is correct. i believe they came to washington to protest their rights.

i believe it is capitalists.  

the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”