Original sentence: Historically, terrorism in Sri Lanka mostly involved coordinated attacks by the Liberation Tigers of Tamil Eelam (LTTE) against the government and army during the Sri Lankan Civil War, which began in 1983, as well as acts of state terrorism by government forces against civilians.The LTTE was defeated in 2009 in its effort to violently seize control of the northern and eastern coasts of the island from the Sri Lankan government to create an independent Tamil state
Edited sentence: Historically, terrorism in Sri Lanka mostly involved coordinated attacks by the Liberation Tigers of Tamil Eelam (LTTE) against the government and army during the Sri Lankan Civil War, which began in 1983.The LTTE was defeated in 2009 in its effort to violently seize control of the northern and eastern coasts of the island from the Sinhalese ethnic majority to create an independent Tamil state