Which of the following is an example of a president acting despite the Constitutional authority of Congress to act on the
matter at hand?

These presidents have used a line-item veto over several decades to save millions of dollars without asking the permission of Congress first.

These presidents have sent troops to resolve conflicts overseas without waiting for the Congress to declare an official act of war first.

These presidents have broadcast the State of the Union address over radio and television instead of presenting it to Congress first.

These presidents have demonstrated an increasing use of issue congruence without Congress approving these measures first.

1.) irish.

2.) settlers could obtain cheap land nearby

3.) steam engine

explanation:

c is your answer have a great day make the brainlest