To determine how spatial interaction was historically disrupted in the shaded areas of the map, we need to focus on the historical context of the region, particularly in relation to colonialism, segregation, and transportation networks.
Among the options provided:
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Travel restrictions to Lesotho and Swaziland - This likely points to the broader political context of apartheid and restrictions on movement, which did lead to tensions but may not specifically address spatial interaction within the shaded region itself.
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Modern telecommunications systems - This option suggests that there was a diffusion of technology that could potentially enhance spatial interaction rather than disrupt it.
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Colonial governments creating instability and disrupting transportation networks - This option aligns well with historical realities, as colonial administrations often disregarded traditional routes and existing networks, leading to dislocation and disruption of movement and trade within the regions they controlled.
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Racial segregation impacting residence - This is a significant factor in restricting mobility and interaction, particularly in the context of apartheid in South Africa, but it may not address broader spatial interactions as directly as the third option.
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Nationalist government during WWII siding with Axis powers - The outcomes of WWII and territorial changes are less relevant to the concept of ongoing spatial interaction disruption compared to the other points.
Overall, the most comprehensive answer would be:
A series of colonial governments created instability and disrupted transportation networks in the shaded areas of this country.
This addresses the historical disruption of spatial interactions by explaining how colonial upheavals fundamentally altered movement and trade patterns within the region.