A company is planning to deploy multiple ecommerce websites across the eu-west-1, ap-east-1, and uswest-1 Regions. The websites consist of Amazon S3 buckets, Amazon EC2 instances, Amazon RDS databases, and Elastic Load Balancers.
Which method will accomplish the deployment with the LEAST amount of effort?

A. Configure deployment automation using AWS OpsWorks
B. Configure S3 cross-Region replication
C. Use AWS CloudFormation stack sets to deploy the application
D. Use AWS Elastic Beanstalk to deploy the application