I believe it's "<span>the source of the Mississippi River."
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Answer
The Zimmerman note finally turned the eyes of the American public towards declaring war on Germany, they finally snapped after Germany's attacks on a American ships.
Answer:
The older male astronaut welcomes the female trainees.
Explanation
As written "The older male astronaut welcome the female trainees" the word welcome is being used as a verb and is impropley conjugated.
I - welcome
You- welcome
He/She/It- welcomes
We- welcome
They- welcome
Answer:
Many nations agreed to stop using chemical weapons after World War I.
Explanation:
The use of chemical weapons during World War I had devastating effects on humanity; both on the aggressors and aggrieved. It killed hundreds of thousands and gave many others, after-effects that lasted them decades.
The Chemical Weapons Convention (CWC) control treaty was put into force on 29th April 1997 where production, stockpiling, and use of chemical weapons was outlawed.