I'll try to keep this short....
The life-saving cardiac pacemaker (1950), the revolutionary discovery of insulin for diabetes treatment (1922), the iconic Canadarm that revolutionized space missions (1981), AM radio by Reginald Fessenden (1906), the game-changing 56k modem (1996), the telephone by Alexander Graham Bell in Brantford, the world's first internet search engine Archie (1988), the ubiquitous Java programming language, essential walkie-talkies (1942), groundbreaking IMAX technology (1968), basketball invented by James Naismith (1891), instant replay technology (1955), the humble garbage bag (1950), the practical paint roller, the empowering electric wheelchair (1953), peanut butter (1884), the revolutionary electron microscope (1939), and even standard time (1878)
name one thing this country gave to the world