Atleast 3 days, the Horizon probe got to the moon in 8 hours, but it was headed towards Pluto
D. The reason for the fall of the Maya civilization is still unknown. There are many different theories attempting to explain the cause of the Classic Maya collapse and the abandonment of Maya cities in the southern Maya lowlands of Mesoamerica between the 8th and 9th centuries: climate change, drought, deforestation, etc. but although the drought is the leading theory at the moment the truth is yet unknown.
The expansion of imperialists was assisted by missionaries that were sent ahead of colonizers to spread Christianity, the religion of the Empire. In doing so, they also spread Western ideals and the English language. The path made by religious scouts made imperialism, easier.