Select a detail that supports the following main idea. Main idea: Dr. Allen made the first boiler test
sparked by the interest in fuel saving
John Smeaten built and installed similar large engines.
Newcomen created an important advance.
Dr. Allen completed this work about 1730.

i agree so i wont repert this question

original oratory is a competitive event in the national speech and debate association, stoa usa, national catholic forensic league, and other high school forensic competitions in which competitors deliver an original speech on a subject of their choosing, though the speech must be factual.racial discrimination refers to discrimination against individuals on the basis of their race. policies of racial segregation may formalize it, but it is also often exerted without being legalized and also it means facing injustice.