After the napolenic wars , immigration to the united states increased as immigrants hoped for new opportunity in the united states

True because all of Europe was thrown into chaos and disparity after the Napoleonic war. People want to move and trade with the Americas during that time period.

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.