The 1870s continued the trends of the previous decade, as new empires and an increase in imperialism and militarism rise in Europe and Asia. Germany declares independence in 1871 and begins its Second Reich. Labor unions and strikes occur worldwide in the later part of the decade, and continue until World War I. In America, the Reconstruction era brings a legacy of bitterness and segregation that lasts until the 1960s. Events and trends Technology The prototype telephone was invented by Alexand… (More on 1870s)