The silver screen’s biggest night is here — Oscars campaigns have been wrapped up, predictions placed and champagne iced. While many pundits expect relentless marches to victory for “1917” and the four leading acting nominees, surprises will no doubt be in store. Here are five things to look out for at Sunday’s Academy Awards: – Will Oscars go global? – Many records could tumble Sunday, but there is no doubt which would be the most historic of all victories. South Korean black comedy “Parasite” has defied conventional wisdom to keep the pace with the best picture Oscar frontrunners, defying what its director called the “one-inch-tall barrier of subtitles.” A non-English-language movie has never won the movie industry’s top prize, despite Mexican drama “Roma” making a serious run last year. With a wave of support for its charismatic director Bong Joon-ho, and an increasingly international voting bloc within the Academy, could this be the year? – Diversity on show – This year’s Oscars …