Three benefits of the plow are greater possible yields, the use of residue of the remaining crops as fertilizer and a reduced amount of weeds. The correct options among all the options that are given in the question are the first, second and the penultimate option. I hope that the answer has come to your great help.
The radius of the circle is 196pi square feet
I think the main point is that Britain had its tentacles spread far and wide, meaning it was involved with a number of countries. This cartoon is Russian propaganda, so I would assume that Russia was worried that Britain was taking over and becoming too powerful.