The U.S. Justice Department is probing allegations that Anheuser-Busch InBev (ABI.BR) is seeking to curb competition in the beer market by buying distributors, making it harder for fast-growing craft brewers to get their products on store shelves, according to three people familiar with the matter. In the past few months, the world’s largest brewer has rattled the craft beer world by striking deals for five distributors in three states.