Of all the urbanized people of the Americas, the Incas were the most brilliant engineers. The correct option among all the options given in the question is option "b". The most important creation by the Incas was the roadways. Some of the roads had a length of the entire South American Pacific coast. To build cush brilliant roadways in mountainous regions required remarkable engineering skills.
Queen Hatshepsut
Look her up and read on her you'll see
The correct answer to this open question is the following.
We can use discipline to solve present-day problems in my own community because discipline makes us goal-oriented, perseverant, and focused on accomplishing the goals, whatever it takes.
The problem in modern-day society is that people want things easy. They have forgotten that good things happen as a result of the commitment and hard work. And that is what discipline gives us: to do the right things, the right way, and at the right moment. Discipline is necessary to stay on course, eliminate distractions, and to focus on the task at hand.