The answer to this question is: Invention
The romans civilization was known as the civilization that made the most inventions during that period.
One of their famous inventions is the development of wheels, that allow us to carry several objects that weigh several times heavier compared to our body weight.
The text defines social psychology as the scientific study of how people think about, influence, and relate to one another.
What is Social psychology?
The objective of social psychology is to understand how people's actual or imagined interactions with others shape their thoughts, feelings, beliefs, intentions, and goals in relation to others. Due to its focus on self-perception and the behavioral interactions among the people that make up society, social psychology is one of the most diverse and complicated subcategories. Social psychologists investigate how thoughts and perceptions can influence behavior and strengthen emotional bonds. After World War II, when people started to become interested in how people behaved in social circumstances and in groups, most of the important research in social psychology emerged. Important studies were conducted in a number of fields.
To know more about social psychology refer:
brainly.com/question/14747257
#SPJ4
Answer:
Sign language is nonverbal communication for those who can't or don't want to use verbal communication.
Explanation:
