"The cause of" would be the answer
The correct option is D
<span>They do not usually lessen competition in the marketplace.</span>
Vertical and conglomerate mergers do not usually lessen competition in the market. This is because conglomerate and vertical involves merging of unrelated product firms. With horizontal mergers however, merging involves firms producing similar products thus lessening competition.
The main way in which the United states developed politically during this time was that the Republican party formed an anti-slavery platform, while economically the nation flourish
He discovered the Mississippi River.
Areas were becoming desert like
