You are trying to convince your parents to send you to Europe. First, you ask them for a small favor (a bus ticket to a local city), hoping that later they will be more willing to send you on the longer trip. This technique is known as:

foot-in-the-door phenomenon        

Explanation:

You are trying to convince your parents to send you to Europe. First, you ask them for a small favor (a bus ticket to a local city), hoping that later they will be more willing to send you on the longer trip. This technique is known as foot-in-the-door phenomenon.

Foot-in-the-door phenomenon is the tendency for individuals to agree to a large request after first agreeing to a smaller request. The believe that your parents will be more willing to send you on a longer trip after allowing you on a shorter, within town trip is a foot-in-the-door phenomenon.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.