Japan's annexation of korea led to the russo-japanese war.
a. true
b. false.

Let's look at the timeline of these events:

The Russo-Japanese War took place in 1904-1905.

Japan's annexation of Korea took place in 1910.

So the second could not have been the cause for the first, rather the other way round!

So the statement is false.

Oohxyxt th chocoholic oh m m on otxeztcl ni