Answer:
Northern Securities controlled all rail service between Chicago and the Pacific Northwest.
Step-by-step explanation:
According to a different source, these are the options that come with this question:
Northern Securities controlled all rail service between Chicago and the Pacific Northwest.
Northern Securities controlled all freight service between Chicago and Los Angeles.
Northern Securities controlled all mail delivery between Chicago and New York.
Northern Securities controlled all meat packing between Chicago and Detroit.
The main reason why Roosevelt sued the Northern Securities Company was because he was against trusts, monopolies, and similar enterprises that reduced competition or engaged in unfair business practices. This case, which took place in 1904, established Roosevelt's reputation as a "trust buster."