<Tr> <Td> (hide) <Table> <Tr> <Td> Colonial Era </Td> <Td> 1607--1775 </Td> </Tr> <Tr> <Td> American Revolution </Td> <Td> 1765--1783 </Td> </Tr> <Tr> <Td> Confederation Period </Td> <Td> 1783--1788 </Td> </Tr> <Tr> <Td> Federalist Era </Td> <Td> 1788--1801 </Td> </Tr> <Tr> <Td> Jeffersonian Era </Td> <Td> 1801--1817 </Td> </Tr> <Tr> <Td> Era of Good Feelings </Td> <Td> 1817--1825 </Td> </Tr> <Tr> <Td> Jacksonian Era </Td> <Td> 1825--1849 </Td> </Tr> <Tr> <Td> Civil War Era </Td> <Td> 1849--1865 </Td> </Tr> <Tr> <Td> Reconstruction Era </Td> <Td> 1865--1877 </Td> </Tr> <Tr> <Td> Gilded Age </Td> <Td> 1870s--ca 1900 </Td> </Tr> <Tr> <Td> Progressive Era </Td> <Td> 1897--1920 </Td> </Tr> <Tr> <Td> Roaring Twenties </Td> <Td> 1920--1929 </Td> </Tr> <Tr> <Td> Great Depression </Td> <Td> 1929--1939 </Td> </Tr> <Tr> <Td> World War II </Td> <Td> 1941--1945 </Td> </Tr> <Tr> <Td> Postwar Era </Td> <Td> 1945--1964 </Td> </Tr> <Tr> <Td> Civil Rights Era </Td> <Td> 1964--1980 </Td> </Tr> <Tr> <Td> Reagan Era </Td> <Td> 1981--present </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> Colonial Era </Td> <Td> 1607--1775 </Td> </Tr> <Tr> <Td> American Revolution </Td> <Td> 1765--1783 </Td> </Tr> <Tr> <Td> Confederation Period </Td> <Td> 1783--1788 </Td> </Tr> <Tr> <Td> Federalist Era </Td> <Td> 1788--1801 </Td> </Tr> <Tr> <Td> Jeffersonian Era </Td> <Td> 1801--1817 </Td> </Tr> <Tr> <Td> Era of Good Feelings </Td> <Td> 1817--1825 </Td> </Tr> <Tr> <Td> Jacksonian Era </Td> <Td> 1825--1849 </Td> </Tr> <Tr> <Td> Civil War Era </Td> <Td> 1849--1865 </Td> </Tr> <Tr> <Td> Reconstruction Era </Td> <Td> 1865--1877 </Td> </Tr> <Tr> <Td> Gilded Age </Td> <Td> 1870s--ca 1900 </Td> </Tr> <Tr> <Td> Progressive Era </Td> <Td> 1897--1920 </Td> </Tr> <Tr> <Td> Roaring Twenties </Td> <Td> 1920--1929 </Td> </Tr> <Tr> <Td> Great Depression </Td> <Td> 1929--1939 </Td> </Tr> <Tr> <Td> World War II </Td> <Td> 1941--1945 </Td> </Tr> <Tr> <Td> Postwar Era </Td> <Td> 1945--1964 </Td> </Tr> <Tr> <Td> Civil Rights Era </Td> <Td> 1964--1980 </Td> </Tr> <Tr> <Td> Reagan Era </Td> <Td> 1981--present </Td> </Tr> </Table> <Tr> <Td> Colonial Era </Td> <Td> 1607--1775 </Td> </Tr> <Tr> <Td> American Revolution </Td> <Td> 1765--1783 </Td> </Tr>

Explain how the cold war turned regional conflicts into international crises around the world