One way advances in science and geography changed the world in the 1100's (time period also known as the Renaissance of the 12th Century) was through advances such as the wind mill, paper making, and the magnetic compass. Maps were able to be created using the magnetic compass and paper. This sea and land navigation and map making aided in European expansion and exploration.
Roger Sherman of Connecticut
Always. Quadrilaterals are not always parallelograms, but parallelograms are defined as quadrilaterals with two sets of parallel sides.
The correct answer is Gain.
If they were both going to lose, then it wouldn't be a voluntary exchange, while bartering is the process of negotiation.
