What weather and other conditions had to met in order for the D-Day invasion to succeed?

In 1819, what did the united states obtain from spain for $5 million?

Which statement about kwame nkrumah and jomo kenyatta is not true?

If the ussrs economy has remained agricultural-based rather than industrial, then a. the unemployment rate among men would have been much lower b. women would have been less in demand in the workforce c. crop productivity would have led to larger , better nourished populations d. children would not have had to leave school early to work in factories