Japan’s victory over russia a. gave japan rights to european colonies in the pacific b. was the first battle of world war ii c. gave japan a foothold on the asian mainland d. was aided by the united states {is "b." the correct answer? i need reassurance..}

The correct answer is - C. gave Japan a foothold on the Asian mainland.

With the win of Japan over Russia in the Russo-Japanese War of 1904-1905, Japan managed to gain territory on the Asian mainland, thus marking the beginnings of its further expansion on mainland Asia.

Japan managed to gain the territories of Guandong and South Sakhalin in this war for dominance in the region. That was a stepping stone for the Japanese in the coming period to take over territory from China, mostly Manchuria, as well as the Korean Peninsula, as part of their mainland Asian territory.

c.) slabs of ocean floor return to the mantle in subduction zones.

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks