Why was the great migration such an important part of the progressive era?

a)it showed the shift from an agricultural based-economy into an industrial- based economy.

b)it showed the shift of political tolerance of african americans.

c)it showed that all african americans preferred to live in the south.

d)it showed that the north and south had equal opportunities for african americans.

e)it showed that african americans finally had equal rights with whites.

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts