It's D for those of you who actually came here for an answer... I'm sorry people keep wasting the answer boxes, I hate when people do that too so here's the answer guys.
<span>The Human Genome project started in 1990. The Hubble Space Telescope was also launched in the same year. GPS also became operational in the 90s. On the computer front, HTML and the Web came into its own, which means things like email became more popular. </span>
The preamble is the part of the Constitution which establishes that the government derives its power from the people
The eastern Empire spoke Greek and worshipped under the Eastern Orthodox branch of the Christian church. Over time, the east thrived, while the west declined. In fact, after the western part of the Roman Empire fell, the eastern half continued to exist as the Byzantine Empire for hundreds of years.