What effect did the sinking of the lusitania in 1915 have on american public opinion of germany? it caused public opinion toward the germans to remain unchanged . it caused public opinion to turn in favor of the germans. it caused public opinion to turn against the germans even more. it caused public opinion to first remain unchanged and then favor the germans.

C

Explanation:

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles