50 points
at the beginning of the 19th century, most americans had no idea what lay beyond

select the best answer choice.
a.
the appalachian mountains
b.
the gulf of mexico
c.
the mississippi river
d.
mason-dixon line

At the beginning of the 19th century, most Americans had no idea what lay beyond The Mississippi River.

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.