A. Deploy a NAT gateway, and configure the route tables accordingly in the VPC where the EC2 instances are running.
B. Modify the network ACLs with private IP addresses in the routes to connect to Amazon S3.
C. Modify the security groups on the EC2 instances with private IP addresses in the routes to connect to Amazon S3.
D. Set up AWS Direct Connect, and configure a virtual interface between the EC2 instances and the S3 buckets.
E. Set up a VPC endpoint in the VPC where the EC2 instances are running, and configure the route tables accordingly.

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