Mr. Mendal was a expert in genetics and was trying to figure out how alleles worked. He used plants for this and tried to mix different colors. After the experiments he successfully found that if you mix the genetics of one thing with another there is a chance to mix.
B is definitely correct as I recently did a lesson on it but I am not sure about the others, sorry.
Answer:
to stopped the war and help for keeping peace environment and peace in the world
Subsidiary Alliance is a system by the East India Company. It solved the problem of ruling a nation which is under the rule of a king
