Answer: • AD and BC are the two most commonly used to mark dates
• The AD and BC system makes it easier for historians to consistently document and study historical events
• Chronology means arranging events in the order in which they occurred
• A timeline is a line, chart, or graph that shows a series of chronology events
•Timeline and chronology help to compare the development of different events in relation to one another
Explanation:
He helped gain American independence and was one of the writers of the Declaration of Independence and the United States Constitution. Also considered one of the great scientists of the 1700s, Franklin created many inventions that are still in use today
Answer:
The "thin blue line" is a term that typically refers to the concept of the police as the line which keeps society from descending into violent chaos. The "blue" in "thin blue line" refers to the blue color of the uniforms of many police departments.
i dont know it has something to do with our decaying society