In the 1920s and 1930s, the Japanese invaded surrounding territories mainly because they "needed natural resources" to fuel their domestic growth, since Japan is a very small island and lacks many of these necessary resources.
I'm taking a stab at it and say the last one. sorry if I'm wrong! XD
<span>They returned with lemons, dyes, rice, apricots, glass mirrors, soap and perfume. They also discovered and returned with the ancestor of the modern guitar.</span>