A Coalition is an alliance between individuals that aims to achieve a common end. On the other hand, the word "multiracial" refers to people who are not descendants of a single origin.
On the basis of this reasoning, we can conclude that for Sarah to be able to build a multiracial coalition, she will need to bring together people from different backgrounds who want the police to stop judging people based on their skin color.
Space suits protect astronauts by keeping out extreme temperatures, they are also strong enough to protect astronauts from getting hit by space dust. Additionally they supply oxygen and water.