What might account for the difference in dates of statehood these lands?

There are several factors that may have contributed to the differences in dates of statehood for the various lands that eventually became states of the United States:

Historical Context: The history and circumstances surrounding each region played a significant role in determining when they achieved statehood. Some lands were initially colonized or claimed by European powers and remained under their control for an extended period before becoming part of the United States. The timing of their transition to statehood was often influenced by political developments, international negotiations, and conflicts.

Political Considerations: The political situation within the United States also impacted the timing of statehood. At certain times, the balance of power between different regions and political parties influenced decisions about admitting new states. The admission of new states could affect the representation and influence of various interests in the federal government and the Senate, which played a role in determining when certain territories were granted statehood.

Economic Factors: Economic development and the growth of population in a particular territory were important factors considered when granting statehood. The ability of a territory to sustain its own economy, provide for its citizens' needs, and contribute to the broader economic prosperity of the nation were critical factors in determining its readiness for statehood.

Social and Cultural Factors: Social and cultural conditions within each territory also played a role in their readiness for statehood. Factors such as the demographics, settlement patterns, and cultural diversity of the population, as well as the development of infrastructure, education, and government institutions, were taken into account when considering whether a territory was prepared to assume the responsibilities of statehood.

Interstate Relations: The relationships and negotiations among existing states and territories could influence the timing of statehood. In some cases, the admission of new states required the resolution of boundary disputes, land claims, and other issues with neighboring states or territories. These negotiations and compromises could sometimes delay or accelerate the process of statehood for specific lands.

In summary, the timing of statehood for different lands was influenced by various factors, including historical context, political considerations, economic development, social and cultural conditions, and interstate relations. The unique circumstances of each territory shaped its path to statehood, leading to variations in the dates when they officially joined the United States.