<span>Advancements in navigation. The Gupta Empire were very advanced in the fields of technology, science and art. The scholar Aryabhatta calculated that a solar </span>year was 365.358, <span>he also calculated </span>pi<span> to the fourth decimal place at a </span>value of 3.1416. <span>Kings in the </span>Gupta empire<span> owned huge copper, gold, and iron mines, and made advancements in metalworking. </span>
The actual answer is The Pope was a powerful political figure in Europe not just a religious one .
Political philosophers are Thomas Jefferson and Benjamin Franklin and then for more of the religious philosopher there's Jonathan Edwards
The correct answer to this open question is the following.
Martin Luther King Jr. was the great African American leader that supported the civil rights movement in the middle of the 1950s and part of the 1960s. He used Gandhi's protest style of non-violent actions.
During the Montgomery. Alabama Bus Boycott in 1955, he led the boycott against the buses that served the city of Montgomery because the company did not allow African Americans to sit at the front seats of the bus. People supported the protest and the boycott was successful.
Well they were very innovative but are now mostly obsolete