Can anyone answer these questions for me please

What made it difficult for mexican americans to win court cases against anglo americans who laid claim to their land

Which of these is an exclusive power of the house of representatives? to amend a bill to impeach a government official to check the power of the president to review a tax bill the senate has proposed

What war was a result of militarism and nationalism in the late nineteenth and early twentieth centuries? question 1 options: civil war revolutionary war world war i cold war