What was one reason for the increase in births between 1946-1964

Which four of these developments were made under mongol rule during the pax mongolica? the extension of the grand canal in china the spread of christianity the spread of weapons that used gun powder the invention of new medicines the establishment of a postal system the invention of geometric models of lunar motion

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

Why did roosevelt support a “europe first” strategy even though it had been japan that had first attacked the united states?