Setting up an Amazon CloudFront distribution in front of the Amazon EC2 instances would cache the content at multiple edge locations across the globe, significantly reducing latency for international users by serving requests from the nearest edge location. This approach effectively scales the network architecture to accommodate a global audience. An additional AWS Direct Connect would establish a private connectivity between on-premises and AWS, which does not inherently address global user latency. Amazon Route 53 geo-proximity routing is more about directing traffic based on geographic location rather than scaling, and increasing the instance size addresses compute scaling but does not directly impact network scaling to accommodate global users.