What does corroborating sources allow a historian to do?

verify that the information is true

Explanation:

The historical sources are any testimony (written, oral, material) that allows the reconstruction, analysis and interpretation of historical events. Historical sources constitute the raw material of History.

The diversity of historical sources can be object of different classifications according to their origin, the support in which they are found, the topic they address or to which they refer, intentionality (if they have one), etc.

Because of their origin, historical sources are classified as primary or direct sources and secondary, indirect or historiographic sources.

The PRIMARY SOURCES come from the time that is being investigated. They are contemporary testimonies of the facts: laws, treaties, memories, population censuses, newspaper articles, images, objects of daily life ...

The SECONDARY SOURCES have been elaborated after the period under study and are the work of historians. Fundamentally they are the text books, the manuals, the scientific studies and articles of specialized magazines ... They are also secondary sources the graphs and thematic maps made with primary data.

the answer wold be b) travel among nations should be regulated by an international organization

a

explanation: