The Indian Removal Act of 1830.
This act's main reason was to remove Native American tribes to make more space for the Americans.
Answer:Diseases were combatted more effectively, with DDT sprayed over large areas to lessen incidences of malaria and typhus amongst troops and civilians. Specialist treatment on the home fronts also improved, with more advances in plastic surgery and the treatment of burns.
Malaysia and Singapore relations are special and unique due to things such as Geography, History, politics, ideology, economy, culture and ethnicity. These factors have sometimes created some tension between both countries. The uniqueness of the relationship may be reflected by the various terms used to describe the state of the rivalry or family quarrel such as 'Siamese Twins' suggesting a common love-hate relationship that has grown out of a shared common history and cultural background, coloured by political differences and by economic competition and interdependency.
The US's declaration of war against Spain in 1898.