After failing to secure the league title last season as new Rivals Manchester City outplayed them and finished top of the table last season, the club has reacted well by investing hugely to boost the squad this summer. Arsenal now have another chance to compete for the league and every silverware next season. As Kai Harvertz has said that he is looking forward to winning a trophy with Arsenal next season.
Arsenal has learnt lessons from their mistakes last season that is why they are spending money to buy players to strengthen their team, if they had spent money to buy players last season I don't think it would have been too easy for Manchester City to lead the league. It is difficult to tell If Arsenal can still be lucky to have the same opportunity they had last season in this season, other teams in English Premier league are working to strengthen their squad for the competition.