Please help and hurry
why did the United States fail to ratify the Kyoto Protocol?

The US Congress did not want to support a free-trade agreement.
The treaty threatened to limit the sovereignty of the United States.
Americans were concerned that the treaty would not protect the environment.
The agreement called for only the United States to limit greenhouse gases.

The US Congress did not want to support a free-trade agreement.

Explanation:

I think its b. The treaty threatened to limit the sovereignty of the United States.

Explanation:

its unit test so i cant be sure, but everyone saying A. seems to be wrong bc it was never congress who didn't want it. It was the president, bush, and the senate against it

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.