Governments and leaders across the globe almost universally agree that human trafficking is a modern atrocity that has harshly negative effects for individuals, communities, entire states and the international community. Nevertheless, they are not in agreement on how best to investigate cases and provide aid to victims. Many states lack the resources to effectively create and implement policies. Governments must act to protect their citizens and people within their borders. Policies are necessary to correctly identify victims, investigate accusations, bring cases to trial and prevent vulnerable populations from becoming victimized through awareness. This thesis asserts that there is a link between the development level of a state and its ability to limit the grotesque crimes of trafficking that occur within its borders. Using the United Nation's annual report which details the development ranking of individual states, it is possible to comparatively analyze the ability of these states to comply with international standards established by the United States of America in the protection of victims of human trafficking. Special attention is paid to the challenges that societies face when there are drastic changes to states' economic activity or political stability and how these affect the frequency of trafficking occurrences and a government’s ability to respond.

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<p><em>Chlamydia pneumoniae</em> is a Gram-negative intracellular pathogen that uses type III secretion to invade and survive within eukaryotic cells. The T3SS secretes specific effector proteins during the infection process to facilitate immune evasion and nutrient acquisition. Unfortunately, the genetic intractability and difficult culturing conditions of Chlamydiae has inhibited progress in the chlamydial T3S field. This thesis characterizes fundamental aspects of the <em>C. pneumoniae </em>injectisome such as the ATPase, the inner-membrane export apparatus, and a specific effector protein Cpn0803. Initially, we explored whether <em>C. pneumoniae</em> encodes a functional T3S ATPase and if it associates with other T3S components. We found that CdsN has enzymatic activity consistent with other Gram-negative T3S ATPases, and that CdsN associates with inner-membrane and soluble components such as CdsD, CdsQ, CopN and CdsL. We also found that CdsN has binding surfaces for either structural or putative effector / chaperone T3S proteins. Next, we explored the putative flagellar genes, which were of interest since <em>Chlamydia</em> is a non-motile bacteria that lacks flagellum. We found that the flagellar proteins associate with the T3S apparatus, suggesting that they play a role in T3S during the life-cycle. We extended this observation to show that CdsL, a T3S component, down-regulates both CdsN and FliI enzymatic activity, suggesting that the flagellar proteins are involved in T3S. Furthermore, we characterized Cpn0803 as an exemplary effector, which associates with both CdsN and FliI. We found that Cpn0803 is secreted into host cells upon<em> Chlamydia</em> infection. Cpn0803 was thought to be the T3S needle-tip protein; however, the crystal structure does not support this hypothesis. Presently, the actual role of Cpn0803 in the T3S apparatus remains unknown. Overall, our data suggests that CdsN and FliI both function during the chlamydial life-cycle in the T3S process, possibly coordinating effector proteins (such as Cpn0803) for secretion into host cells.</p> / Doctor of Philosophy (PhD)