the biggest problem miners faced was__________

fights with ranchers over who owned land
illness and injury form poor working conditions
inabilit to afford land given by government
constant attacks from american indians

All of these are potential problems that miners may have faced, but the question asks for the biggest problem. Based on historical accounts, the most significant problem that miners faced was constant attacks from American Indians.

The biggest problem miners faced was constant attacks from American Indians.

The correct answer is: constant attacks from American Indians.

To arrive at this answer, we can analyze the given options and identify the problem that miners faced which stands out as the biggest one.

Option 1: Fights with ranchers over who owned land - While disputes over land ownership can be a problem, it may not necessarily be the most significant problem that miners faced.

Option 2: Illness and injury from poor working conditions - Poor working conditions, which may lead to illness and injury, can indeed be a major issue for miners. However, it is not specified whether this was the biggest problem they faced.

Option 3: Inability to afford land given by the government - While affordability of land could be a difficulty for some miners, this option does not address the core challenges miners confronted.

Option 4: Constant attacks from American Indians - This option stands out as the most significant problem miners faced. Historically, during the expansion of mining activities in certain regions, conflicts between miners and Native American tribes often arose. These conflicts, including constant attacks from Native American Indians, posed significant challenges and hindered mining operations.

Therefore, based on the given options, the biggest problem miners faced was constant attacks from American Indians.