<span>It never spread beyond the borders of the Byzantine Empire.</span>
The solidarity movement in Poland spoke out against communism, won, and established the first non-committal government in eastern Europe. The rest of the countries soon followed.
Looking back at history let's you see what didn't work and what will come in the future. Let's say I am looking for a way to stop viruses on computers, I would look back and see where viruses attacked, what their intent was and fixed vulnerabilities that have not been fixed.
Following the rules can keep you out of trouble and focus on what is important
Showing up at school on time helps you learn discipline
Respecting others will help you go far and will lead to people treating you well.
Being honest helps people trust you
Exercising is good for stress and fitness
Avoiding drugs can keep you out of jail
Working hard leads to achievement
Listening to rap music
Volunteering at the Boys or Girls Club lets you share your knowledge and skills
Tutoring other students shares your knowledge
Answer:
c) railroads had to charge everyone the same prices