Answer: It was twist of highs and lows
Explanation: The usa and britan havent always been the best allies but they were during ww2. But when Ussr joined most of the british wernt happy beacuse they helped the germans invade poland. Althought most countrys overcame this beacuse germany was crushing them when germany opened opertaion barberossa it weakened the german army crushing them opening lines for d-day.