When did activities occur that demonstrate americans' belief in manifest destiny?

1783, expansion of American territory via the Treaty of Paris; 1803, the Louisiana Purchase; 1845, Texas annexation; 1848 Mexican cession

whose power in the senate is equal to the power of the speaker of the house?

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b