The correct answer is The Kellogg-Briand Pact was signed by 15 nations and attempted to outlaw war.
Explanation: The Briand-Kellogg Pact was intended to establish “renunciation of war as an instrument of national policy”, but was largely ineffective in preventing conflict or war.
Wrong the answer is Seven Years War i just did my test on this and passed
"The mass of Substance C is five times the mass of Substance B", the given statement is correct.
Answer: Option D
<u>Explanation:</u>
As Jessie added 16 gm. of Substance A to 4 gm. of Substance B Obtained certain amount of Substance C which can be calculated as follows:
amount of Substance C = Substance A + Substance B = 16 + 4 = 20 gm
Therefore, 20 gram of Substance C was obtained. Here, fourth statement is correct which says the mass of Substance C ifs five times the mass of Substance B to justify this, see the below: