Either they crossed over the land bridge following their food, or they were moving by means of water across the Bering strait
The Flexible response was a policy implemented by President John F. Kennedy in 1961 in order to substitute the New Look and the massive retaliation policy that Dwight Eisenhower's had introduced, which consisted on responding using a greater force in case of an attack, and such force involved nuclear weapons.
On the other hand, the flexible response policy aknowledges the Mutual assured destruction if nuclear weapons are involved, as the enemy with shoot back too. It aimed to provide a manner of responding to agression across the spectrum of war but without the employment of nuclear weapons.
Answer:
Expanded suffrage – The Jacksonians believed that voting rights should be extended to all white men. By the end of the 1820s, attitudes and state laws had shifted in favor of universal white male suffrage and by 1856 all requirements to own property and nearly all requirements to pay taxes had been dropped.
Explanation:
In June 1812, the United States declared war against Great Britain in reaction to three issues: the British economic blockade of France, the induction of thousands of neutral American seamen into the British Royal Navy against their will, and the British support of hostile Indian tribes along the Great Lakes frontier.