Answer:
a competition between nations for superiority in the development and accumulation of weapons, especially between the US and the former Soviet Union during the Cold War.
<span>This invention was helpful because it helped them save work, time and energy. It also made cotton easier to pick and at the same time it let farmers grow more cotton.</span>
Answer:
The Progressive Era 16-19 Amendments. This amendment protects the US citizens the right to vote on the basis of gender.
Explanation:
Significant changes enacted at the national levels included the imposition of an income tax with the Sixteenth Amendment, direct election of Senators with the Seventeenth Amendment, Prohibition with the Eighteenth Amendment, election reforms to stop corruption and fraud.
