Why were so many people unprepared in the 2004 tsunami?

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

Those who hope that land reform will end the problem of mass poverty and social inequality throughout middle and south america often cite as one of the causes of the problem. a. asian immigrants b. the indigenous population c. european systems of landholding d. the power of the roman catholic church

What is the problem with blowing up large asteroids?