1) The push for racial and social justice has led to discussions and actions to address systemic racism, promote inclusivity, and challenge inequalities in various areas, including education, criminal justice, and economic opportunities.

2) The Great Wall of China is not visible from space without aid, contrary to popular belief.

3) The word "triangle" contains four vowels: I, A, E, and E.

4) The Arctic Ocean is the smallest and shallowest ocean, located at the North Pole. It is covered by sea ice for much of the year.