Two major conflicts are currently taking place. One is the conflict between Ukraine and Russia, ant the other is the conflict between Israel with the U.S and Iran. The latter conflict has caused serious problems for the world. One of the most serious problems is the soaring crude oil prices. Crude oil has risen by about 50％ compared to before the conflict because Iran declared that they blockaded a Strait of Hormuz, through which many oil tankers pass. The soaring crude oil prices are causing
