Was the astronomer who deduced that all the planets orbit the sun such that (i) their orbits are elliptical. (ii) they sweep out equal areas in equal times. (iii) the square of their periods is proportional to the cube of their mean orbital radii.

Johannes Kepler

Explanation: Johannes Kepler (Weil der stadt, December 27th, 1571 - Regensburg, November 15th, 1630), a key figure in the scientific revolution, was a German astronomer and mathematician; known primarily for his laws on the movement of planets in their orbit around the sun. He was a collaborator of Tycho Brahe, whom he replaced as imperial mathematician of Rudolph II.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.