 Complete the following phrase:  In April 1941, Yugoslavia was occupied by Nazi Germany and Fascist Italy. Following the invasion, most of Croatia, Bosnia and Herzegovina, and the region of Syrmia were incorporated into the Independent State of Croatia NDH, a Nazi-backed puppet state. Parts of Dalmatia were annexed by Italy and the northern Croatian regions of Baranja and Međimurje by Hungary. The NDH regime was led by Ante Pavelić and ultranationalist Ustaše, a fringe movement in pre-war Croatia. With German and Italian military and political support, the regime introduced racial laws and enacted a 