Which river can swell to over 30 miles wide during its annual flooding season

The Amazon river can swell to over 30 miles wide during its annual flooding season.

Explanation:

The presence of a huge watershed area that receives rainfall which eventually runs away to meet the Amazon River keeps it in the state of a flooded river most time of the year.

The smaller rivers flowing down from the Ecuadorian Andes and the Peruvian Andes and coming to meet the Amazon River have a considerably higher velocity that the Amazon River cannot match with. Thus, the Amazon River is prone to swelling to a width of about 30 miles in the flooding season.

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years