Earlier, Panama was section of Colombia, which refused the Canal that would intersect the nation as a profitable route recommended by the United States, because of this, the rebellious inhabitants of Panama or "radicals" were the US army to take the Colombian government Adequately, and authorize Panamanian sovereignty, which would consequently generate the consequences of the building of the Panama Canal.
The author of this excerpt is presenting an argument for Japan to follow a policy of "<span>(4) economic imperialism" since there are so few other options available. </span>