Explanation: You know suffixes right? They are the end part of a word such as -ness, -ment, and -ism. Negative suffixes are pretty much the same thing, but they're words with the suffix -less in them. Examples of negative suffixes are hopeless, fearless, homeless, and tasteless. Effortless has -less in it, so therefore, it's a negative suffix.
B: negotiations for inspection and control of weapons
Explanation:
President John Fitzgerald Kennedy from the quote above is talking about negotiations to inspect and control weapons that's why he called for formulation of serious and workable plans and proposals among countries to control and inspect weapons of destruction.
