Answer:
In the 1800s, the explorers who were mapping territories and claiming them for their respective nations had some complications and problems specific to their time, such as the lack of communication and transportation technology, which limited the possibility of explorers to travel to certain places. territories and to communicate with each other and with their respective governments.
Therefore, these explorers had to fend for themselves during their travels, both in exploration and in dealing with various dangers and problems during their travels.