Under the U. S. Constitution, the president may veto legislation passed by congress, but congress may override a president's veto. This is an example of the principle of A. Checks and Balances.
B. Federalism.
C. due processes.
D. Judicial reviews.

I think it's Checks and Balances.

Explanation:

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.

usually, however, secession was popular enough without the of community leaders. prominent unionists, on the other hand, were a major reason that texas did not secede before march 1861. the most important of these was sam houston, the governor of the state from 1859 to 1861.

can i have brainlest