How did charlemage improve the lives of people in Europe

The collapse of the roman empire most likely to empower the catholic church because

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?

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