Engineering achievements of the revolution ranged from electrification to developments in materials science. The advancements made a great contribution to the quality of life. In the first revolution, Lewis Paul was the original inventor of roller spinning, the basis of the water frame for spinning cotton in a cotton mill. Matthew Boulton and James Watt's improvements to the steam engine were fundamental to the changes brought by the Industrial Revolution in both the Kingdom of Great Britain and the world.
Who improved the steam engine?
Matthew Boulton and James Watt

The American people are mostly multi-ethnic descendants of various culturally distinct immigrant groups, many of which have now developed nations. Some consider themselves multiracial, while acknowledging race as a social construct. Creolization, assimilation and integration have been continuing processes. The African-American Civil Rights Movement (1955–1968) and other social movements since the mid-twentieth century worked to achieve social justice and equal enforcement of civil rights under the constitution for all ethnicities. In the 2000s, less than 5% of the population identified as multiracial. In many instances, mixed racial ancestry is so far back in an individual's family history (for instance, before the Civil War or earlier), that it does not affect more recent ethnic and cultural identification.
What does affect recent identification in many cases?
mixed racial ancestry

The consensus of modern scholarship is that the New Testament accounts represent a crucifixion occurring on a Friday, but a Thursday or Wednesday crucifixion have also been proposed. Some scholars explain a Thursday crucifixion based on a "double sabbath" caused by an extra Passover sabbath falling on Thursday dusk to Friday afternoon, ahead of the normal weekly Sabbath. Some have argued that Jesus was crucified on Wednesday, not Friday, on the grounds of the mention of "three days and three nights" in Matthew before his resurrection, celebrated on Sunday. Others have countered by saying that this ignores the Jewish idiom by which a "day and night" may refer to any part of a 24-hour period, that the expression in Matthew is idiomatic, not a statement that Jesus was 72 hours in the tomb, and that the many references to a resurrection on the third day do not require three literal nights.
What day is presumed the Crucifixion happened?
Friday