Who was the first president to choose their own vp running mate?

What does this quotation from the introduction of thedeclaration of independence do?

Based on what you read in the fact sheet, identify the type of customer the company is hoping to reach. super-phonic systems wants to sell phones to customers who: expect the latest smartphone technology. need affordable phone service in remote areas. care more about attractive designs than reliability. will pay top prices for features such as web-surfing.

When the constitutional convention laid out the framework for the executive branch they wanted