The Industrial Revolution transformed Western nations, giving them advantages in science, technology, industry, and military strength. Motivated by nationalism, economic interests in resources and markets, and beliefs in cultural superiority, Western powers set out in the late 1800s to dominate the world through extensive overseas empires. Between 1870-1914, through soldiers, merchants, and missionaries, Western imperialism rapidly expanded due to vulnerable non-Western states and Western military and economic advantages. European nations divided Africa at the 1884 Berlin Conference with little regard for local populations, leading to ongoing issues.