Hi there!
From what what this question is saying it sounds like that the Americans being used as "insurance policies to guarantee the safe delivery of munitions" must mean that the Americans were to insure safe transport of the munitions of war from location to location. So, Senator Norris must mean that the munitions of war are guaranteed safe transport by American citizens used as insurance policies.
<em>Hope this helps!</em>
<em>-WolfieWolfFromSketch</em>
A pure substance is something that occurs in nature. An element is made up of one type of atom only and cannot be split further.
In simpler terms it is true an element is a substance that is made of ONE type of atom
It increases pollution expecially in rivers killing many animals and causing deforestation
The output is the finished good or service, and inputs are raw materials, labor, utilities, liscensing fees, or other goods. These inputs are also known as factors of production. If the price of inputs goes up, the cost of producing the good increases