Which statement is an example of causation? A. The mill collapsed and then caught fire. B. A citizen walked past the mill, and the mill collapsed. C. A rescuer knocked a lantern out of a worker's hand, and the ruins caught fire. D. Hundreds of people worked at the mill, and rescuers came to help.​

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