When historians talk about the past, they are referring to events that:

When historians talk about the past, they are referring to events that: happened before the present day.

Historians' prime task is to research, analyze, interpret, and write about the past, whether it refers to events that happened last year or events that happened millions of years ago (any event that occurred before the present day). Historians are able to do this by studying primary sources such as documents, artifacts, photographs, audio recordings, video recordings, films, journals and sculptures from a specific period of time.

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.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.